6 Best Square Shower Mats in 2026
Six square non slip shower mats from 21 to 27 inches compared by suction cup count, material, drain design and fit for stand-up and corner shower stalls.
At a Glance
OTHWAY Square Shower Mat, 27 x 27 Inch, TPE, 224 Suction Cups
↓ See why we picked itHITSLAM Shower Mat, 21x21 Inch, No Odor Soft TPE, 100 Suction Cups
↓ See why we picked ittchdio Non Slip Shower Mat, 24 x 24 Inch, Textured Floors, No Suction
↓ See why we picked itMost bath mats are long rectangles made for tubs, which is the wrong shape for a stand-up stall. A stall floor is roughly square, often with a drain near the middle, and a long mat either hangs over the edges or leaves the floor mostly bare. A square mat of 21 to 27 inches is the right-sized standing platform, and it sits clear of the walls where edges tend to curl.
The six squares here are the OTHWAY 27 by 27 inch TPE mat with 224 cups, the HITSLAM 21 by 21 inch TPE mat with 100 cups, the HITSLAM 21 by 21 inch PVC mat with 162 cups, the homerella 21 by 21 inch mat with over 250 cups and a mildew-resistant design, the tchdio 24 by 24 inch loofah mat with no suction cups and the GORILLA GRIP 21 by 21 inch stall mat.
We evaluated each on size, grip mechanism, material, drainage and cleaning. A small mat leaves less margin for error, so placement matters: center it under your feet, keep the edges away from the walls and drain, and press it flat before use. A square mat is a standing spot, not a full-floor cover, so a grab bar and a bench help where balance is a concern. A square mat rewards careful placement more than any other shape.
6 Criteria to Look For Before Buying a Square Shower Mat
Key buying criteria so you get the right fit the first time.
Size against stall floor
Squares here run from 21 to 27 inches. A 21 inch mat suits a narrow stall or a corner stand, and a 27 inch mat gives more room to shift. Measure the floor and leave a gap at the walls so that edges do not curl. Remember the drain position.
Cup density
The homerella lists over 250 cups on 21 inches, the HITSLAM PVC 162, the HITSLAM TPE 100 and the OTHWAY 224 on 27 inches. More cups per square inch spread the hold on a small mat. Cups still need a smooth, non-porous floor, and a firm press. Density matters more on a small mat that takes all your weight.
TPE or PVC
TPE on the OTHWAY and HITSLAM TPE is soft, flexible and low-odor, while PVC on the HITSLAM PVC is firmer and durable. Flexible TPE conforms to a slightly curved floor, and PVC lies flat. Pick by feel and by your floor. Think about how the mat will feel on bare feet in the first minute of a cold morning, because that decides whether you keep using it.
Cups or friction
The tchdio uses no cups and suits textured floors, while the others use cups for smooth ones. A friction mat is less locked down. Test any mat with a firm foot shove on your own floor. If you are unsure whether your floor is smooth enough, a cheap test with a plain suction hook on the stall floor tells you whether cups will seal.
Drainage and the drain
The HITSLAM and GORILLA GRIP list hundreds of holes, and the homerella lists extra large holes. A square mat can sit over the drain, so place it to one side or check for a cutout. Water that cannot reach the drain pools. Measure from the drain to the wall and subtract the mat size, which tells you whether the mat will sit clear of the drain.
Cleaning
The OTHWAY and homerella list machine washing, and the HITSLAM and GORILLA GRIP rinse clean. A small mat is easy to wash, which is a good reason to do it often. Lift and dry it after each shower. A small mat is easy to wash, so build a wash into your weekly routine and the cups will stay clean and gripping.
6 Best Square Shower Mats in 2026
OTHWAY Square Shower Mat, 27 x 27 Inch, TPE, 224 Suction Cups
About this pick
OTHWAY's 27 inch square is the largest in this group, sold as an extra large mat for a small shower. It is made of premium TPE with a textured anti-slip surface and 224 strong suction cups, and it is described as machine washable and foldable for easy storage. The listing aims it at families with older adults. A couple of extra inches change how a square mat feels: you can shift your stance without stepping off the edge, which matters when turning to reach the soap. TPE is soft and flexible, and a foldable mat is easy to carry to the washing machine. The listing does not give a hole count in the text we have. Compared with the 21 inch squares it gives more standing room, and compared with the tchdio it uses cups. It suits a stall with a smooth floor where the extra room is wanted. If your stall has a bench or a corner shelf, measure to the edge of it first, because 27 inches can run into fixtures that a 21 inch mat clears. Set it down starting from one corner and roll the rest into place, which squeezes the air out of the cups progressively.
Best for: The most standing room in a smooth-floored stall.
Check price on AmazonSpecs
- Size: 27 x 27 in
- Cups: 224
- Care: Foldable, machine washable
Pros
- +27 by 27 in gives extra standing room
- +224 suction cups
- +Foldable and machine washable
- +Soft, flexible TPE
Cons
- −Hole count is not stated in the text we have
- −May ride up the walls of a very small stall
- −Needs a smooth, non-porous floor
HITSLAM Shower Mat, 21x21 Inch, No Odor Soft TPE, 100 Suction Cups
About this pick
HITSLAM offers a TPE version of its 21 by 21 inch square with 100 strong suction cups that attach to a smooth tub or shower surface, and hundreds of drainage holes for quick water flow. The listing says the durable, soft TPE can be used frequently without losing its slip resistance, and the material is described as odorless. It is a small, simple mat. One hundred cups is a modest number, appropriate for a mat of this size, since cups spread over 441 square inches. TPE is gentle on feet and tends to be low-odor, which suits a small bathroom where a new-rubber smell lingers. The hundreds of holes help the floor drain. Compared with the PVC version it has fewer cups but a softer material, and compared with the homerella it has fewer cups and no mildew claim. It suits someone who wants a small, soft, low-odor stall mat. Because the cup count is lower, press each cup with a fingertip after placing the mat to make sure the whole area seals. The mat is also light enough to lift with one hand while you rinse underneath it.
Best for: A small, soft, odorless stall mat.
Check price on AmazonSpecs
- Size: 21 x 21 in
- Cups: 100
- Material: Soft TPE, no odor
Pros
- +Soft, no-odor TPE
- +100 suction cups
- +Hundreds of drain holes
Cons
- −Fewer cups than the larger or PVC versions
- −Small standing area
- −Needs a smooth, non-porous floor
HITSLAM Shower Mat, 21x21 Inch, Soft PVC, 162 Suction Cups
About this pick
The PVC version of the HITSLAM square lists 162 strong suction cups, more than the TPE version, on the same 21 by 21 inch footprint, with hundreds of drainage holes and a durable soft PVC body. The listing says it can be used frequently without losing slip resistance. The higher cup count is the headline. PVC is a firm, durable material, a little stiffer than TPE, which helps it lie flat but makes it less flexible on a curved floor. More cups per square inch spread the hold, which suits a small mat that carries all your weight. The listing does not mention an odor claim. Compared with the TPE version it has more cups and a firmer body, and compared with the OTHWAY it is smaller. It suits a buyer who wants a higher cup count in a compact square. If the floor feels slightly textured, test the mat on the dry floor first, since a firm PVC body may need an even surface.
Best for: A higher cup count in a compact stall mat.
Check price on AmazonSpecs
- Size: 21 x 21 in
- Cups: 162
- Material: Soft PVC
Pros
- +162 suction cups on a 21 in mat
- +Durable soft PVC
- +Hundreds of drain holes
- +Compact footprint
Cons
- −Stiffer than TPE on a curved floor
- −Small standing area
- −Needs a smooth, non-porous floor
homerella Square Shower Mat, 21x21, Anti Mold, Over 250 Cups
About this pick
homerella packs over 250 anti-slip suction cups on a 21 by 21 inch square, the densest grip in the group, with a 100 percent BPA-free build and extra large drain holes. The listing says the mat is machine washable on a cold cycle and that its mildew-resistant design keeps it fresh, and it describes the mat as suitable for kids, babies, older adults, pregnant users and even pets. The cup density is the headline. Dense cups help a small mat resist lifting at the edges, and a cold machine wash handles the soap film that cups collect. The mildew claim is the maker's wording, so a drying habit is still needed. The listing mentions pets, which is the maker's framing. Compared with the HITSLAM squares it has more than double the cups, and compared with the GORILLA GRIP it states a count and a wash cycle. It suits a household that wants maximum cups and clear care guidance in a small square. A mat this small is easy to dry on a towel bar, and a quick wring of the towel-bar fold gets most of the water out. Check the product page for whether the 250 cups are the same size across the mat, as that affects how evenly it seals.
Best for: Maximum cup density and a clear cold-wash routine.
Check price on AmazonSpecs
- Size: 21 x 21 in
- Cups: Over 250
- Care: Machine washable on cold
Pros
- +Over 250 suction cups on a small mat
- +Machine washable on cold
- +BPA-free build
- +Extra large drain holes
Cons
- −Mildew claim is the maker's wording
- −Small standing area
- −Needs a smooth, non-porous floor
tchdio Non Slip Shower Mat, 24 x 24 Inch, Textured Floors, No Suction
About this pick
tchdio's 24 by 24 inch mat is the square for floors where cups will not work: it has no suction cups, is described as suitable for textured surfaces and carries a soft loofah top that cleans the feet. The listing notes that ordinary mats can go smooth after bath oil or shower gel and presents this design as keeping its grip. It dries quickly. A 24 inch square is a good middle size, and a soft porous top rinses easily. Without cups, the hold depends on friction, so it will not lock down on a smooth floor the way a cup mat does. The listing gives no weight or thickness in the text we have. Compared with the cup squares it works on textured floors but grips less firmly on smooth ones, and compared with the OTHWAY it is smaller and softer. It suits a stall with a textured floor. On a textured floor, give it a week of careful use before you decide that it holds well enough for daily showers.
Best for: A stall with a textured floor where cups will not seal.
Check price on AmazonSpecs
- Size: 24 x 24 in
- Grip: No cups, for textured floors
- Surface: Soft loofah
Pros
- +24 by 24 in middle size
- +No suction cups
- +Soft loofah surface
- +Quick drying
Cons
- −Friction grip is weaker on very smooth floors
- −Thickness and weight are not stated in the text we have
- −Foam wears with time
GORILLA GRIP Square Shower Stall Mat, 21x21 Clear
About this pick
GORILLA GRIP's square is the brand-name benchmark for stand-up showers: 21 by 21 inches with hundreds of suction cups, hundreds of drainage holes and a BPA-free pebble-textured hexagon top. The listing describes a patented design for small stall mats. It does not state a cup count in the text we have. A recognized brand is a sensible choice when you want fewer surprises, and the clear mat is discreet. The pebble top is gentle underfoot. It is the smallest mat in the guide, so it is best for a narrow stall or a corner stand. Compared with the homerella it states fewer numbers, and compared with the OTHWAY it is much smaller. It suits a buyer who wants a trusted name in a compact square. A clear mat also makes it easy to see whether the tub floor beneath is clean. If your stall has a slightly curved floor, press the center cups first and work outward.
Best for: A trusted brand in a compact stall mat.
Check price on AmazonSpecs
- Size: 21 x 21 in
- Grip: Hundreds of cups
- Drainage: Hundreds of holes
Pros
- +Hundreds of suction cups
- +Hundreds of drain holes
- +BPA-free pebble-textured top
- +Clear and discreet
Cons
- −Cup count is not stated in the text we have
- −Smallest mat in the guide
- −Needs a smooth, non-porous floor
How We Evaluated These Square Shower Mats
Each pick was assessed across 5 criteria weighted for real-world use.
Fit for a stall
We compared sizes from 21 to 27 inches and matched them to narrow, standard and roomy stalls. We considered edges against walls and the drain. We matched each square to a typical stall, since a mat that fits is worth more than one that is slightly better on paper.
Grip density
Cup counts of 100, 162, 224 and over 250 were compared with size. We read cups per area as the relevant measure. The no-suction tchdio was assessed on friction. Cup density per area was treated as a more meaningful number than a raw cup count.
Material feel
TPE, PVC and loofah were compared for softness, flexibility and odor. We considered how each feels on bare feet. Where a listing did not describe a drain cutout, we assumed the mat sits beside the drain.
Drainage
Hundreds of holes, extra large holes and porous construction were compared. We noted which listings mention a drain cutout. We considered how likely each mat is to curl at the corners, given its material and stiffness.
Cleaning ease
Machine washability and rinse cleaning were compared. We favored mats that are easy to lift and wash often. Ease of lifting and washing was weighed heavily, because a small mat is used daily.
How to Choose the Right Square Shower Mats
By Stall Size
Pick the square that fits your floor.
| Stall | Pick | Why |
|---|---|---|
| Roomy stall, smooth floor | OTHWAY, 27 x 27 | Most standing room |
| Medium stall, textured floor | tchdio, 24 x 24 | No suction |
| Narrow stall, wants max cups | homerella, 21 x 21 | 250+ cups |
| Narrow stall, soft material | HITSLAM TPE, 21 x 21 | Soft, low odor |
| Narrow stall, firm PVC | HITSLAM PVC, 21 x 21 | 162 cups |
By Budget
Tiers are relative and use no price figures.
| Tier | Pick | Trade |
|---|---|---|
| Lower | HITSLAM PVC | Many cups for the size |
| Lower | HITSLAM TPE | Soft, fewer cups |
| Middle | tchdio | No suction |
| Middle | homerella | Cup density, wash guidance |
| Upper | GORILLA GRIP | Brand |
| Upper | OTHWAY | Largest, foldable |
Small Square vs Large Square
Size changes how you stand.
Small, 21 inch
The HITSLAM, homerella and GORILLA GRIP squares fit narrow stalls and stay clear of walls. Choose them if your floor is tight.
Large, 24 to 27 inch
The tchdio and OTHWAY give more standing room for shifting your stance. Choose them in a roomier stall.
A bigger mat is only better if it lies flat.
Cups or Friction
| Preference | Pick |
|---|---|
| Suction, smooth floor | OTHWAY |
| Friction, textured floor | tchdio |
| Highest cup density | homerella |
For a Corner Shower Specifically
What to look for
A small square that fits the standing spot, clears the walls and sits beside the drain. Corner stalls often have a corner drain, so check before you buy.
How these picks line up
The 21 inch squares fit tight corners, and the OTHWAY suits a larger corner stall. Place any of them off the drain.
When to Spend More
| Spend more if | Save if |
|---|---|
| You want the biggest foldable square, which points to the OTHWAY | A 21 inch mat fits |
| You want a trusted name, which points to the GORILLA GRIP | A value square like the HITSLAM works |
| You want cup density and a wash plan, which points to the homerella | A simple mat is fine |
A square that fits and sits flat matters most.
Frequently Asked Questions
Why choose a square mat for a stall?
Because a stall floor is roughly square, a square mat fits it without hanging over the edges. A long tub mat leaves the floor bare or curls at the walls. Pick a size that leaves a gap at the walls. A square mat looks small in a photo, so lay out a 21 or 24 inch square of newspaper on your stall floor to see how it fits. Take a photo of the mat in place after the first week, which helps you notice any drift later.
What size square mat do I need?
Measure the flat floor of the stall. A 21 inch mat suits a narrow stall, 24 inches a medium one and 27 inches a roomy one. Leave room for the drain. Place the mat where your feet naturally land when you wash your hair, not where the water lands. Do the same check for the corners where the mat meets the shower wall.
Can I put a square mat over the drain?
Avoid it, because water will pool. Place the mat beside the drain, or choose a mat with a cutout. Check the drain position before buying. If the mat slides forward during use, check that the floor beneath is clean, because soap film is the most common cause.
Do small mats stay put?
A small mat has less hold area, so cup density matters. The homerella lists over 250 cups on 21 inches. Press it flat and test it with a foot shove. Press the mat down from the center to the edges to push air out of the cups, then give it a few minutes to settle.
Can I use a square mat on a textured floor?
Not a cup mat. The tchdio has no suction cups and is described as suited to textured surfaces. Test it on your floor. Because small mats curl at corners, check the edges after a few uses and press them flat if needed.
Is a square mat enough?
It covers the standing spot, not the whole floor. Add a grab bar and good lighting, and consider a bench if balance is a concern. Replace a square mat when the cups stop gripping or the surface wears smooth, even if it looks fine.
Bottom Line
best overall: OTHWAY Square Shower Mat, 27 x 27 Inch, TPE, 224 Suction Cups - best largest square pick in this roundup.
See the full rankings above for all picks with pros, cons, and best-for summaries.
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