Jin&Bao Thickened Silicone Under Sink Mat under sink mats come in 15 sizes and 6 colors. Please measure the inside of your cabinet before selecting the right mat. Width: Measure from the left interior to the right Depth: Measure from the front interior edge to the back Bathroom Cabinet Mat Sizes: 19"W x 19"D – for 21” cabinet or larger 22"W x 19"D – for 24” cabinet or larger 25"W x 19"D – for 27” cabinet or larger 28"W x 19"D – for 30” cabinet or larger 31"W x 19"D – for 33” cabinet or larger 34"W x 19"D – for 36” cabinet or larger 37"W x 19"D – for 39” cabinet or larger 40"W x 19"D – for 42” cabinet or larger Kitchen Cabinet Mat Sizes: 22"W x 22"D – for 24” cabinet or larger 25"W x 22"D – for 27” cabinet or larger 28"W x 22"D – for 30” cabinet or larger 31"W x 22"D – for 33” cabinet or larger 34"W x 22"D – for 36” cabinet or larger 37"W x 22"D – for 39” cabinet or larger 40"W x 22"D – for 42” cabinet or larger Additional Tips The under sink mat should be slightly smaller than your cabinet’s interior dimensions for the best fit. Benefits This cabinet liner is designed to protect your cabinets, shelves, and floors from plumbing leaks, stains, scratches, and chemical spills. Keep your kitchen and bathroom in a new state.