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Waterproof Undersink Mat (Beige 28" 1/4 X 19 1/4) Cabinet Base Liner for Bathroom Vanity Cabinets Catches Leaks Prevents Damage Flexible Driptray

Waterproof Undersink Mat (Beige 28" 1/4 X 19 1/4) Cabinet Base Liner for Bathroom Vanity Cabinets Catches Leaks Prevents Damage Flexible Driptray

5.0 7 reviews
Regular price $67.98 USD
Regular price $129.99 USD Sale price $67.98 USD
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Waterproof Undersink Mat (Beige 28" 1/4 X 19 1/4) Cabinet Base Liner for Bathroom Vanity Cabinets Catches Leaks Prevents Damage Flexible Driptray

  • Perfect Fit: L x 22" = kitchen cabinet; L x 19" = bathroom cabinets; Xtreme Mats are the ORIGINAL Under Sink mat designed to protect your cabinets, shelves, and floors from damage caused by plumbing leaks, stains, scratches, product or chemical spills; Xtreme Mats can hold up to 3.6 gallons of liquid in the event of a leak or product spill, making our mats the leader in the industry; Our mats have a multipurpose function as a driptray, under sink cabinet mat, and a shelf liner all-in-one
  • Flexible and strong design, our waterproof, low-density polyethylene mats allow for flexibility and durability and produce no toxic VOC's, featuring raised, angled side walls and a textured surface to ensure a snug fit while keeping stored items from getting wet in the event of a leak; Sturdy enough to support gallons of water yet flexible enough to install through small cabinet openings and open back up to its original shape once inside
  • Easy to clean and install and can be removed quickly for clean-up; Our under sink drip tray pans are the perfect solution for messy, dirty, or disorganized bathroom cabinets; Great for vacation homes and rental properties; if you do not see your measurements, please contact us and we will guide you to the best fit
  • Lifetime Limited Warranty against manufacturing defects; Water sensor sold separately; please check for plumbing coming through the bottom of your cabinet before ordering; Measure the inside of your cabinet and make sure your supply lines and drain aren't coming from the floor of your cabinet or else the mat will require modification
  • American Company: Xtreme Mats are designed and engineered in the USA, headquartered in Central Florida; Available 8 am - 5 pm EST to answer any questions

Product description

  • How to find the correct size mat for my cabinet?

    Measure your cabinet inside from left to right; this measurement will be your width. Measure your cabinet from front to back on the inside; this measurement will be your depth. Pick the largest mat that will still fit inside without going over.

  • What if my cabinet has plumbing?

    Modifications can be made on the mat to fit around pipes and plumbing. You'll need to cut the mat around the plumbing and reseal it with waterproof silicone. See our "How To Install With Plumbing " video on this product page.

  • What if I'm in between sizes?

    Try to find the largest mat that will fit inside your cabinet's interior but is still smaller than your inside dimensions. The edges of the mat measure 1/4" which can be trimmed off, trimming both sides will reduce the width of the mat by 1/2".

  • What if I don't see the size I need?

    If your cabinet is larger than our biggest size, you can install 2 mats side by side to cover a wider width. Also, a shallow kitchen cabinet may require a bathroom depth mat. HINT: Most kitchens have 22" + depth cabinets and most bathrooms are 19"+


Number of Items 1
Pattern Solid
Material Type Polyethylene (PE)
Is Stain Resistant No
Theme Organization
Number of Pieces 1
Unit Count 1.0 Square Feet
Material Polyethylene (PE)
Manufacturer Part Number KM04
Model Number KM04
Additional Features Leak Proof, Moisture Proof, Non-Adhesive, Washable
Item Weight 2 Pounds
Special Feature Leak Proof, Moisture Proof, Non-Adhesive, Washable
Item Dimensions L x W 19.25"L x 28.25"W
Color Beige
Global Trade Identification Number 00863497000058
Shape Rectangular
Recommended Uses For Product Cabinet
Product Dimensions 19.25"L x 28.25"W
Size 28" 1/4 x 19" 1/4)
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Customer Reviews

5.0
Based on 7 reviews
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★★★★★

Definitely worth it. Highly recommended.

I really love this mat! When I moved into my new home, I knew I needed something under the kitchen sink to guard the cabinet against possible water leaks. This mat fit well, just a tiny gap between the front and the back of the cabinet. It was easy to install without any trimming. It's been a lifesaver! If you're not sure what size to get, measure your cabinet and reach out to Colby; he’s helpful with sizing. I had a great experience with the customer service. So why is it a lifesaver? One night, after using the garbage disposal a lot, we found that the vibrations had loosened a pipe fitting, causing water to leak into the cabinet. Thankfully, the mat caught all the water! We had a decent amount sitting in it, but since the sides are raised, nothing leaked into the cabinet. Clean-up was a breeze; just moved our stuff off the mat and wiped it dry. Even though the price seems a bit high, it's truly worth every cent. It's a solid mat that gives me peace of mind knowing it’ll catch any leaks. Plus, if you get a water sensor, there’s a spot on the back for it, so you'll know right away if there's water. If you have a big leak and don't notice it quickly, think about the cost of replacing water-damaged wood and dealing with mold. Skip the cheaper cloth liners; they won’t hold up and could create a mold issue.

Verified Purchase

Emily R. · December 2020

★★★★★

Fantastic mat with great sizing options!

I’m super happy with this mat! First off, the quality is. It’s thick and seems like it can handle pretty much anything. The big letters won’t be advertising to anyone but spiders, but the design is nice and probably helps with capacity a bit too. Second, the size options are generous. I measured multiple times to find the right fit for my tiny under-sink area and went with the 22 1/4" square in beige. It fits perfectly! Before this, I was using a cafeteria tray that barely covered the area. Lastly, I love supporting a small business based in Florida. I wish there were more competitors out there since other options just don’t hold up. I don’t regret spending my money on this mat! The only thing I’d change is if it were a bit deeper, but I understand why it’s not—could run into issues with low valves and hoses. I’ll be ordering another one for my bathroom cabinet soon. Overall, this product is!

Verified Purchase

Katie S. · September 2023

★★★★★

Great for my unusual cabinet!

This is really nice quality. It fits perfectly under my oddly sized sink! I do wish it were a little wider to match the cabinet width, but the depth is just right!

Verified Purchase

M T. · May 2026

★★★★★

This worked well for me under the sink. It was flexible enough to fit around the pipes, and I just had to cut it down a bit and seal it with silicone. I'd definitely buy this again for my bathroom sinks.

Verified Purchase

P R. · September 2018

★★★★★

You won't regret it!

Super high quality! It’s a bit on the pricey side, but worth it for the durability. The build is solid and feels strong, won't collapse on you. Plus, it fits perfectly, the best out there, even better than WeatherTech.

Verified Purchase

C P. · April 2026

★★★★★

Five Stars

These worked perfectly for my wine glass drying racks as well.

Verified Purchase

Emily R. · April 2016

★★★★★

I really wish I had discovered undersink mats sooner! I’ve dealt with so much damage over the years from surprise leaks from pipes and things I keep under the sink. This mat is sturdy, heavy, and fits my cabinet just right.

Verified Purchase

Samantha P. · March 2026

Customer review photo