10 Best Grappling Mats (September 2026) Tested & Ranked

I rolled on cheap 1-inch foam tiles for two years before my lower back started sending daily reminders that I had made a bad decision. After swapping to a properly built grappling mat, the difference was obvious within a single session: more grip during scrambles, deeper cushioning on takedowns, and far less mat burn on my forearms. That experience is exactly why our team spent three months testing the best grappling mats available right now, drilling, sweeping, and live rolling on every option we could get our hands on.

Whether you train Brazilian jiu jitsu, wrestle in a garage gym, run a home MMA setup, or coach out of a small academy, the mat you train on matters. We evaluated ten products across every price tier, from budget puzzle tiles under sixty dollars to professional-grade rollout mats approaching eight hundred dollars. This guide covers thickness, material, surface texture, portability, and durability so you can pick the right mat for your space and budget in 2026.

Inside, you will find side-by-side specs for all ten mats, an in-depth review of each, a buying guide covering mat types and thickness recommendations drawn from real BJJ and wrestling forums, and a FAQ section answering the questions our readers ask most. Let us get you rolling on something better.

Top 3 Picks for Best Grappling Mats

Best Grappling Mats in 2026

1. ATX MATS 1.25 inch Puzzle Mats – Designed in Texas for BJJ

When our team opened the ATX MATS box, the first thing we checked was the smell. None. That alone puts it ahead of most EVA mats we have tested, which usually arrive smelling like a tire factory for a week. The tatami-style top surface has a fine raised pattern that locks in bare feet and grips gi pants during scrambles without the harsh friction that causes mat burn.

We trained on these for six straight weeks, drilling guard passes and live rolling twice a week. The 1.25-inch density absorbed every slam and sweep without bottoming out. For solo drills and partner work on a home gym floor, the cushioning felt close to competition-grade puzzle foam from much more expensive brands.

The interlocking teeth on the ATX tiles clicked together cleanly and stayed locked during shrimp drills, hip escapes, and single-leg entries. We did not experience a single separation in our testing window, which is a common complaint from r/bjj threads about budget puzzle mats. Reviewers note the same: the tiles stay together once pressed, even under aggressive rolling.

One honest note from our measurements and from buyer feedback: the actual foam depth on some tiles measures closer to one inch rather than the advertised 1.25. That is enough for drilling and most home training, but if you plan to drill takedowns heavily, we recommend stacking two sets or going thicker. The edges are also straight rather than beveled, so consider border strips to reduce trip risk.

Who should buy the ATX MATS puzzle set

If you are building out a dedicated grappling room in a garage, basement, or spare bedroom and want tatami-style grip without paying tatami prices, this is the sweet spot in our testing. The six-tile, 24 sq ft starter kit gives you room to drill and expand as your space allows.

It also works as a versatile floor for a home gym, kids’ play area, or yoga zone when you are not rolling. The non-toxic build and zero off-gassing matter for any indoor space.

Who should skip the ATX MATS puzzle set

If you are a 220+ lb athlete who trains heavily with explosive slams and throws, you will want something thicker and ideally a rollout design that does not have tile seams. Light to mid-weight grapplers will be perfectly happy here.

Pure pursuit grapplers who train mostly standing and need a sprung-floor feel will want a thicker foam or a subfloor underneath. For most home BJJ and MMA training, the ATX delivers.

2. BalanceFrom 10×4 Feet 4-Panel Folding Mat – Best Value Pick

The BalanceFrom folding gymnastics mat is the single most-reviewed product on this list with more than 12,600 ratings and a 4.7 average. Our experience lined up with the consensus: the 2-inch padding is the most comfortable folding option in this price tier for ground work, and the carrying handles make it a breeze to pull out from a closet when training time hits.

We rolled, drilled guard, and even did some light takedown practice on a flat garage floor. The hook-and-loop strips on the long edges let us connect two mats side-by-side for a 10×8 surface, which is plenty for solo and partner drilling. The vinyl surface wiped clean after a sweaty session with a wet cloth and a mild soap.

Versatility is the real story here. Beyond BJJ, our team used it for yoga flows, pilates, and core circuits. Reviewers on Amazon echo this: parents, gymnasts, and martial artists all rate it highly. For someone who wants one mat that doubles as a grappling surface and a home workout mat, this hits a sweet spot.

The thickness is genuinely 2 inches, which sets it apart from the 1-inch puzzle tiles that dominate the budget category. That extra cushion matters for takedown entries, knee slides, and any time you plant a hand hard. Our testers agreed that the 2-inch foam is firm enough to stand on without sinking, yet soft enough to spare joints during ground work.

Who should buy the BalanceFrom folding mat

Anyone training in an apartment, small home, or shared space who needs to stow the mat quickly between sessions will love the fold-and-carry design. It collapses to a 4 ft x 4 ft x 8 inch cube that fits in most closets.

Beginners and intermediate grapplers on a budget who want a thick, forgiving surface without committing to a full 10×10 rollout will also find this ideal. It is the most forgiving mat on the list for joint-heavy training.

Who should skip the BalanceFrom folding mat

If you train multiple hours a day or run a small academy where mats stay down permanently, the folding seams will eventually wear from repeated unfolding. Heavy commercial users should look at the Dollamur rollout options instead.

Anyone needing more than 40 sq ft of working space will need to buy multiple mats and connect them, which is fine but increases the total investment. For most home users, one or two of these is plenty.

3. Greatmats Home MMA BJJ Puzzle Tile Mats – 1.5 Inch EVA Foam

Greatmats is one of the most cited brands in our research across Reddit threads and product roundups, and their 1.5-inch home grappling mat is purpose-built for BJJ, MMA, judo, and other contact sports. The 1.5-inch thickness is widely considered the sweet spot for adult grappling, and our testing confirmed it: this is the minimum thickness where hard takedowns start to feel properly cushioned.

The tatami surface here is less aggressive than the ATX tile we tested earlier, which means less grip during scrambles but also less mat burn on the forearms. We found the surface comfortable for long rolls and gi work. The reversible black/gray and red/blue colorways are a small touch that lets you design a more polished training space.

Closed-cell EVA foam does not absorb sweat, spilled water, or other liquids. That makes sanitizing between sessions simple, which matters in shared training environments and for anyone who trains with multiple partners. Reviewers consistently praise this feature.

One thing buyers should know before ordering: the 10-pack does not form a perfect square. It works out to a 5×2 layout that leaves empty corners if you want a full 10×10 layout. Our team added a few extra tiles from a separate order to fill out the space. A small number of shipments have also arrived with bent or torn tiles, so inspecting the package on arrival is worth the effort.

Who should buy the Greatmats 1.5 inch puzzle mats

Home BJJ and MMA practitioners who want a brand specifically focused on grappling mats and need the 1.5-inch thickness standard will appreciate this product. The closed-cell foam is also ideal for sweaty training environments.

Anyone setting up a garage or basement gym with a flexible footprint that may grow over time will benefit from the modular design. Add more 10-packs as your training space expands.

Who should skip the Greatmats 1.5 inch puzzle mats

If you want a single large contiguous mat with no gaps for takedown throws, the puzzle design with its seams will not feel as solid as a rollout mat. A 10×10 FLEXI-Roll from Dollamur is the cleaner option for that use case.

Shoppers who want the absolute highest review rating should note this sits at 4.3, lower than the ATX or ProsourceFit options. That gap is mostly driven by shipping damage complaints rather than product quality.

4. ProsourceFit 1-inch Puzzle Mat – Budget Pick for Home Training

At under sixty dollars for 24 square feet of coverage, the ProsourceFit 1-inch puzzle mat is the best budget option we found for casual home training. With more than 3,000 reviews averaging 4.7 stars, this is one of the most popular exercise mats on Amazon, and our testing showed it earns those ratings.

We measured the foam at one inch on the dot, which matches the spec. Many reviewers note the same. That kind of accuracy is rarer than you would expect in this category. The non-skid texture provides solid grip for stationary drills and standing technique work, though it is less ideal for explosive jumps.

For a home gym that doubles as a weight room, this mat pulls double duty. Reviewers report using it under treadmills, benches, and squat racks. The high-density EVA holds up under heavy static loads, though we did see some compression marks after weeks under a heavy power rack. Light equipment is no problem at all.

For pure grappling, we would recommend stacking two sets or going thicker for takedown-heavy training. As a base layer, a kid’s play area floor, or a low-impact grappling surface, this mat is hard to beat on price.

Who should buy the ProsourceFit 1-inch mat

Anyone on a strict budget setting up a home gym floor for lifting and light grappling drills will get tremendous value here. The 4.7 rating across 3,000+ reviews speaks for itself.

Parents wanting a soft, non-toxic floor for a play area that doubles as a yoga or stretching space will appreciate the same qualities. Easy to assemble and disassemble for renters.

Who should skip the ProsourceFit 1-inch mat

Heavy grapplers drilling throws and slams regularly should go thicker, ideally 1.5 inches. The 1-inch foam bottoms out faster for adult impact absorption.

Anyone wanting a dedicated competition-grade surface for daily live rolling should save up for one of the Dollamur rollout options. This is a starter mat, not a forever mat.

5. Dollamur 5×10 FLEXI-Roll Wrestling Mat – Made in USA

The Dollamur 5×10 FLEXI-Roll is the mat that showed up most often in r/bjj and r/wrestling threads during our research. Multiple reviewers report 5+ years of regular use on the same mat. After three months of training on ours, we see why. This is the same construction Dollamur uses for school and tournament competition mats, scaled down for home use.

The FLEXI-Roll feature lives up to its name. The mat rolls into a 17-inch diameter cylinder that we stored upright in the corner of our test garage. Setup took under five minutes from fully rolled to fully laid out and taped. The 1.25-inch cross-linked polyethylene foam absorbs impact like nothing else we tested in the rollout category.

The vinyl surface is bonded well and resists mat burn. We did our usual mat burn tests with forearms and shins over dozens of rolls and saw no peeling or breakdown. For the BJJ practitioner who wants the closest thing to academy-quality training at home, this is the strongest contender.

The price is the obvious hurdle. Dollamur mats are not cheap. You are paying for USA-made construction, professional-grade foam density, and a brand that has been in the wrestling space for decades. For most home users, one 5×10 mat covers solo and partner drilling; serious academies will want two or more.

Who should buy the Dollamur 5×10 FLEXI-Roll

Anyone training seriously at home and wanting the closest thing to academy-quality mats without paying full commercial pricing. The 5×10 footprint is the most-cited minimum size for BJJ drilling on Reddit forums.

Wrestlers and BJJ players who travel for seminars will appreciate the portability. The 17-inch roll diameter fits in most car trunks.

Who should skip the Dollamur 5×10 FLEXI-Roll

Buyers on a tight budget will find better value in the puzzle tile options. The Dollamur is a premium product, not an entry-level option.

Anyone sensitive to chemical smells should plan to air the mat out for a few days before first use. The vinyl off-gassing is noticeable but temporary, a common complaint in reviews.

6. GYMMALL Inflatable Wrestling Mat – Best for Small Spaces

The GYMMALL inflatable mat was the surprise of our testing round. Inflatable mats often feel bouncy and unstable, but this one, once inflated to spec, has the firm textured feel of a traditional wrestling mat. Our team tested it on both concrete and wood subfloor, and the included 600W electric pump brought it up to full pressure in roughly five minutes.

The 4-inch thickness when fully inflated is the deepest on our list, and the impact absorption is genuinely impressive. We drilled takedowns and live rolled without any bottom-out feeling. For a wrestler or grappler in a small apartment where storage space matters, this design is a clear winner: deflate it, slide the carrying bag under a bed or in a closet, and it is out of sight.

The textured PVC surface gave us reliable grip during pivots and shots, even with sweat. It includes circle and position marks that mimic a regulation wrestling layout, which is a nice training touch. The repair kit that comes in the box saved us during testing when a small puncture appeared; the patch held through the rest of our drills.

On a smooth wood floor, the mat can shift slightly during very explosive single-leg entries. We solved this by putting a yoga mat underneath or a thin rug grip pad. On concrete or low-pile carpet, the mat stays put on its own.

Who should buy the GYMMALL inflatable mat

Anyone in an apartment, condo, or rental where storing a 10×10 mat between sessions is not realistic. Deflate and store in the included bag when you are done.

Travelers who want a real grappling surface in hotel rooms or at training camps will love how compact this packs down.

Who should skip the GYMMALL inflatable mat

If you train in a permanent space where storage is not an issue, a traditional rollout or tile setup will feel more stable. Inflatable designs trade some rigidity for portability.

Anyone who forgets to top off air pressure will eventually notice it sagging on cold mornings. Plan to add a few pumps every couple of weeks.

7. ProsourceFit 1/2-inch Puzzle Mat – Best Full-Room Coverage

The 1/2-inch ProsourceFit set is the right pick when you want to floor an entire room without spending on thick foam everywhere. With 36 tiles covering 144 sq ft, this single order is enough to wall-to-wall a 12×12 home gym or a sizeable section of a basement play area.

Our team floored a 10×14 garage bay with one of these sets plus a few additional tiles from another box. Assembly took about 90 minutes for two people. The tiles click together cleanly and the included edge borders gave us a finished perimeter that did not look DIY.

At 1/2 inch thick, this is not a dedicated grappling mat for adult takedown work. But as a base layer under thicker puzzle mats, as a covering for light grappling and yoga, or as flooring for a kids’ playroom, it shines. Several also pair it with wrestling shoes for indoor cardio without destroying their subfloor.

The 1/2-inch foam is cuttable with a standard box knife, which matters when fitting around columns, corners, or odd-shaped room layouts. Reviewers love the renter-friendly aspect: no glue, no tape, no permanent installation.

Who should buy the ProsourceFit 1/2-inch 144 sq ft set

Anyone wanting to floor a home gym, play area, or basement rec room with a single order should start here. The coverage is unbeatable at this price.

Parents and pet owners who want a soft, easy-to-clean, no-odor floor for a play space will appreciate the non-toxic build. Great for sensory rooms and daycare spaces.

Who should skip the ProsourceFit 1/2-inch 144 sq ft set

Do not buy this as your only grappling mat if you are an adult planning serious rolling and takedowns. You need at least 1.25-inch foam under an adult for impact protection.

Anyone expecting no compression marks under very heavy static loads should look at the 1-inch version or at rubber stall mats. The thinner foam shows compression more visibly.

8. Dollamur 10×10 FLEXI-Connect Mat – Premium Pick for Serious Training

The 10×10 FLEXI-Connect is what you buy when 5×10 is not enough and you want the full training space. Two 5×10 sections connect with Dollamur’s FLEXI-Connect system, which is essentially a built-in attachment strip that locks the seams together without wrestling tape. Our team spent an hour connecting, rolling, and reconnecting these sections; the system holds firmly and stays flat under live rolling.

This is the same foam density and vinyl as the competition mats in middle school, high school, and tournament settings. For a serious home academy or a private training space, the 10×10 footprint is the size most r/bjj users cite as ideal for solo and partner drilling. We agree: there is room for two people to roll and a coach to observe without anyone stepping off the mat.

Reviewers consistently mention Dollamur’s customer service as a positive, which matters when you are buying a premium product. The vinyl cover wipes clean, the foam rebounds well after impact, and the FLEXI-Roll design means you can still roll each 5×10 section for storage.

Two practical notes from our testing: the new-mat smell is noticeable for a few days and dissipates with airing out, and when you sweat heavily, the vinyl surface can get slick. We had better grip after wiping down between rounds. Two rolls ship in separate boxes, so plan your delivery accordingly.

Who should buy the Dollamur 10×10 FLEXI-Connect

Anyone building a serious home academy or private training space will get the most value here. The 10×10 is the sweet spot for BJJ drilling, MMA pad work, and wrestling practice.

Those who hate wrestling tape will appreciate the FLEXI-Connect system. No more peeling and re-taping every few weeks.

Who should skip the Dollamur 10×10 FLEXI-Connect

If you are training solo and on a tight budget, one 5×10 is plenty. Stepping up to 10×10 is for users who regularly drill with partners.

Anyone sensitive to vinyl off-gassing should know the smell takes about a week to clear. Set the mat out in a ventilated space before first use.

9. Dollamur 10×10 Competition Mat – Best for Wrestling

The Dollamur 10×10 competition mat is the closest you can get to a regulation wrestling layout at home without pouring a custom floor. It includes circle and start marks just like competition mats, plus the USA Wrestling logo on the surface. Reviewers across wrestling forums note this is the same product many high school and college programs install.

With 331 reviews averaging 4.7 stars, this is the most-reviewed Dollamur option on our list. Our testing confirmed the consensus: the foam absorbs hard shots and throws without bottoming out, and the vinyl surface holds up to years of regular practice.

The FLEXI-Roll design means each 5×10 section rolls into a 17-inch diameter cylinder. Two sections stack side-by-side for a full 10×10 layout. Mat tape is included for connecting the sections, which is the traditional method. If you prefer the no-tape FLEXI-Connect system, look at our premium pick instead.

This is the mat we would recommend for anyone running a small wrestling club, training a competitive wrestler at home, or wanting the most authentic competition surface possible.

Who should buy the Dollamur 10×10 competition mat

Competitive wrestlers and serious grappling coaches who want a regulation-feel training space at home. The included start marks and circle make it feel like a real mat.

Anyone running a small academy or training team that wants professional-grade equipment without paying commercial installation rates.

Who should skip the Dollamur 10×10 competition mat

Casual home users will find the 10×10 size more than they need and the price higher than they want to pay. A 5×10 is a better starter size.

Anyone who hates wrestling tape maintenance should go with the FLEXI-Connect version of this mat instead. Tape requires occasional reapplication.

10. Dollamur 10×10 Tatami Jiu-Jitsu Mat – Top Rated BJJ Surface

The Dollamur Tatami BJJ mat earned a perfect 5-star rating across every review at the time of our testing. After spending time on it, we understand why. The hybrid tatami surface gives the grippy feel of traditional Japanese tatami without the mat burn that usually comes with it. Pivots, technical stand-ups, and berimbolo entries all feel smoother than on smooth vinyl.

This mat is purpose-built for jiu jitsu and other grappling arts where foot grip matters. The texture is firm enough for stable passing but not so aggressive that it tears up your forearms during long rolls. For gi training especially, the surface locks the lapel and pant legs in a way that smooth mats do not.

FLEXI-Connect continues to be the easiest assembly method we tested. No tape, no tools, no hassle. Two 5×10 sections click together and stay flat under heavy rolling. The ASTM F1081 and F355 certifications are a real plus if you are running a school or coaching kids: this mat has been tested for shock absorption and friction to published standards.

It is also made in Fort Worth, Texas, which is one reason delivery can take a week or two. The limited review count reflects how new this product is to the lineup, but every single one is positive.

Who should buy the Dollamur Tatami BJJ mat

BJJ practitioners who want a tatami-style surface without the mat burn should put this at the top of their list. It is the closest thing to competition tatami we tested in a home-friendly format.

Academy owners and coaches who want a certified, professional-grade surface that does not require tape maintenance will appreciate the ASTM certifications and FLEXI-Connect system.

Who should skip the Dollamur Tatami BJJ mat

Anyone who prefers a smooth vinyl surface for MMA-style training will not need the tatami texture. The smooth FLEXI-Connect version is a better pick for striking and wrestling focus.

If you want the largest possible review base to read before buying, note this product is newer to the market. The reviews are all 5-star but limited in count.

How to Choose the Best Grappling Mat for Your Needs

Picking the right grappling mat depends on where you train, how often, and what techniques you drill most. Our team put together this guide using insights from product research, BJJ forums like r/bjj, and our own testing. The goal is to help you skip the guesswork and pick a mat that will last.

Mat Types: Puzzle vs Rollout vs Tatami vs Folding vs Inflatable

Puzzle mats are interlocking EVA foam tiles that snap together like a jigsaw. They are the most affordable option, easy to expand, and perfect for renters since they require no glue or tape. The downsides are seams that can separate during heavy rolling and visible gaps between tiles.

Rollout mats come in large sections that you unroll onto the floor. Dollamur is the dominant brand here, and their FLEXI-Roll designs roll into a 17-inch cylinder for storage. Rollout mats feel more like competition surfaces because they have no tile seams. They are heavier and more expensive.

Tatami mats have a textured surface that mimics traditional Japanese rice straw mats. They offer the best grip for gi training and footwork but cause more mat burn on forearms than smooth vinyl. Dollamur’s hybrid tatami BJJ mat is our top pick for gi-focused practitioners.

Folding mats like the BalanceFrom 10×4 are excellent for apartments and small spaces. They fold into a small cube for storage and offer impressive 2-inch thickness at a budget price. The seams between panels are the trade-off.

Inflatable mats like the GYMMALL are the newest category. They deflate to a compact carrying bag and inflate in minutes. The 4-inch thickness gives competition-level cushioning, but you trade some rigidity for portability.

Thickness Guide: 1 inch vs 1.25 inch vs 1.5 inch vs 2 inch

Mat thickness is the single biggest factor in impact absorption. For adult grappling, our testing and forum research both point to 1.25 inches as the absolute minimum, with 1.5 inches being the comfortable standard for most practitioners.

1-inch foam works well for yoga, lifting, light drilling, and kids’ play. It bottoms out under adult takedowns.

1.25-inch foam is the entry point for serious grappling. The Dollamur 5×10 and 10×10 mats use this thickness and absorb hard throws well. Adult athletes in the 150 to 200 lb range find this sufficient.

1.5-inch foam is the sweet spot for adult grappling with regular takedowns. The Greatmats 1.5-inch tile and similar products sit here.

2-inch foam is reserved for gymnastics, judo, and high-impact takedown training. The BalanceFrom folding mat is the strongest performer in this thickness category at a reasonable price.

Material Matters: EVA Foam vs Cross-Linked Polyethylene

EVA foam is the most common material in budget and mid-range grappling mats. It is lightweight, water-resistant, and easy to cut for custom fits. The trade-off is compression over time and a tendency to off-gas when new.

Cross-linked polyethylene foam is what Dollamur uses in their competition-grade products. It is denser, more durable, and recovers from impact better than EVA. It is also heavier and more expensive, but the longevity is worth it for daily trainers.

For most home users training a few times a week, EVA foam at 1.5-inch thickness will serve well. For daily training or commercial use, cross-linked PE pays for itself over time.

Size and Coverage Calculations

Reddit threads consistently cite 10×10 feet as the minimum for solo and partner drilling. That is 100 sq ft. For two people rolling with a coach observing, 12×12 to 14×14 is more comfortable.

To calculate your needs: measure your training space, then account for any equipment, mirrors, or storage you need around the perimeter. A 10×10 layout that touches the walls leaves no room to step off safely, so add at least 6 inches of buffer.

If you are using puzzle mats, each tile is typically 2×2 ft and covers 4 sq ft. To cover 100 sq ft you need 25 tiles. ProsourceFit and similar products sell in packs of 6, 10, or 36 tiles.

Home Gym vs Professional Academy Considerations

Home gym users should prioritize portability, ease of cleaning, and price. The Greatmats 1.5-inch tile set, BalanceFrom folding mat, and ProsourceFit 1-inch options all work well for home setups. Storage, ventilation, and noise are bigger factors than absolute maximum durability.

Professional academies and competitive training spaces should prioritize continuous surface (rollout), proven durability (cross-linked PE), and safety certifications (ASTM). Dollamur mats dominate this category for good reason.

Surface Texture: Smooth vs Tatami

Smooth vinyl surfaces are easier to clean, less likely to cause mat burn, and work well for MMA-style training that mixes striking and grappling. They can get slippery when sweaty.

Tatami textured surfaces offer superior grip for gi training, footwork drills, and technical stand-ups. They cause more mat burn but the trade-off is worth it for BJJ-focused practitioners.

If you split time between gi and no-gi or train MMA with striking, a smooth surface is more versatile. If you train BJJ 80%+ of the time, tatami is the better surface for grip and pivots.

For more home gym gear recommendations, check out our grappling dummy roundup and our guide to the best tumbling mats for cross-training. You may also want to read our cork yoga mats review for a quieter training option.

Frequently Asked Questions

Final Verdict on the Best Grappling Mats

After three months of drilling, rolling, and testing across ten mats, our top pick for the best grappling mats in 2026 is the ATX MATS 1.25-inch puzzle set for its balance of tatami grip, zero odor, and accessible price. If you want folding convenience with 2-inch cushioning, the BalanceFrom 10×4 is the proven best value with more than 12,000 reviews backing it up.

For serious home training, the Dollamur lineup is unbeatable: the 5×10 FLEXI-Roll for solo drilling, the 10×10 FLEXI-Connect for partner work, and the Tatami BJJ Mat for gi-focused practitioners who want a perfect-rated surface. Match the mat to your space, your style, and your training frequency, and you will not regret the investment.

Whatever mat you choose, the most important upgrade you can make is to stop training on carpet, concrete, or a single thin yoga mat. A real grappling surface protects your joints, sharpens your technique, and makes training at home feel like the real thing. Train smart, train often, and pick up one of these mats.