If you have a corner sink base cabinet in your kitchen or bathroom, please see the diagrams below.

Some corner cabinets make a 90 degree angle in the back and some are clipped; both options are shown. The best way to protect your corner sink base cabinet would be using one of the 2 options shown below. Xtreme Mats offers two cabinet mats depths. Ourkitchen depth is 22 1/4" andvanity depth is 19 1/4"at their max expansion. Both kitchen and bathroom depth mats can be used in either orientation. You will need to take a look at all sizes of mats we offer and see what configuration would work best for you to protect against a plumbing leak from your valves, p-trap, garbage disposal or reverse osmosis filters.