Xtreme Mats Under Sink Kitchen Cabinet Mat, 33 3/8 X 21 5/8, Black Size: 33 3/8 x 21 5/8 x 1 Holds 3 gallons of liquid in the event of a product spill or leak Modern style and design, no vow or off-gassing Angled sides and rear wall ensures a snug fit, water sensor location on all mat designs