Double Layer Waterproof And Anti-Pee Cat Litter Mat. The Double-Layer Honeycomb Design Helps Collect Litter. Just Lift The Mat, And All The Litter Will Fall Down, Then Pour It Back Into The Litter Box For Reuse. No More Daily Litter Sticking To Your Feet! The Large Holes Are Big Enough To Trap And Contain The Litter. Suitable For Various Types Of Cat Litter, Litter Boxes, Hooded, Self-Cleaning Litter Boxes.