Open Edge Litter Mat: Double-layer honeycomb design . You just pick up the mat and all the litter falls through and then dump it back in the litter box make it recycling. Easy Clean Washable Litter Mat: Our litter box mat is made of soft and washable EVA. Dirt can be removed easily. Easy To Release Litter: Large holes is large enough to catch and trap litter. Suitable for lots of type of litter. Waterproof & Urine Proof Cat Box Mat: Bottom layer is waterproof and also slip-resistant which will not allow any liquid to go through and easy to move. Protect your hardwood floors and carpets from nasty urine stains. Easy to Use: Put the litter mat under the litter box,As your cat exits the litter box, litter that is stuck to its paws will be captured within the large honeycomb holes on the top layer of the mat. The litter falls through the holes to become trapped in the bottom, leak-proof layer.