By RTA Kitchen & Bath | Quality Sinks, Vanities & Cabinet Hardware

Premium Waterproof Under Sink Mat black finish

Regular price $36.99
Regular price Sale price $36.99
Shipping calculated at checkout.
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Regular price $36.99
Regular price Sale price $36.99

Product Description

✎ From the RTAKB Team

Protect your sink base cabinet with this sleek, heavy-duty under-sink cabinet liner, designed to contain leaks, spills, and everyday messes. Made from durable, waterproof TPE, it features a modern matte black finish that looks as good as it performs.

Designed with raised edges to help contain liquid, this mat acts as a protective barrier against water damage, stains, and corrosion caused by plumbing leaks, cleaning supplies, or accidental spills. The flexible yet sturdy material lays flat, installs with no tools or adhesives, and removes in seconds for cleaning — simply wipe or rinse and reuse.

Available in four precision-fit sizes to match standard sink base cabinets, this liner ensures full coverage without trimming, keeping your cabinet interior clean, dry, and protected for years to come.

Available Sizes:

  • 25″ x 22″ — fits a 27″ sink base cabinet
  • 28″ x 22″ — fits a 30″ sink base cabinet
  • 31″ x 22″ — fits a 33″ sink base cabinet
  • 34″ x 22″ — fits a 36″ sink base cabinet

Who it's for: This under-sink mat is ideal for anyone who wants to protect their cabinet from the water damage, stains, and mold that come from slow leaks, dripping pipes, or spilled cleaning supplies — a common concern for kitchen and bathroom sink cabinets alike. It's a strong fit for anyone searching for an under-sink cabinet liner, a waterproof sink base mat, or a leak protection mat for kitchen cabinets, whether you're protecting a new cabinet from day one or repairing and safeguarding one that's already seen water damage.

Not sure which size fits your cabinet? Email us at sales@rtakb.com and we’ll personally help you choose.

Frequently Asked Questions

Who is this under-sink cabinet mat best suited for? +

It's ideal for anyone who wants to protect their sink base cabinet from water damage, stains, or corrosion caused by leaks, spills, or cleaning supplies.

What sizes are available and which size fits my cabinet? +

This mat is available in four sizes: 25″ x 22″ for a 27″ sink base, 28″ x 22″ for a 30″ sink base, 31″ x 22″ for a 33″ sink base, and 34″ x 22″ for a 36″ sink base.

Will I need to trim the mat to fit my cabinet? +

No. The mat is designed in precision-fit sizes to match standard sink base cabinets, so no trimming is required.

What material is this mat made from? +

The mat is made from durable, leak-resistant TPE with a modern matte black finish.

How do I install and clean this mat? +

Installation requires no tools or adhesives — the flexible yet sturdy material simply lays flat and can be removed in seconds. To clean, wipe or rinse the mat with water and reuse.

How does the mat contain leaks and spills? +

The mat has built-in raised edges that help trap leaks and messes before they reach your cabinet floor or walls.