Anti Tracking EZ Open Edge Litter Mat: Double-layer honeycomb design helps you gather the litter. You just pick up the mat and all the litter falls through and then dump it back in the litter box make it recycling. BEST MAT EVER! No more getting litter stuck to my feet on a daily basis! Large holes is large enough to catch and trap litter. Suitable for lots of type of litter, and kitty litter boxes,hooded,self cleaning litter box. Waterproof Mat: Bottom layer is waterproof and also slip-resistant which will not allow any liquid to go through and easy to move. If you have a cat vomit on the mat, you can hose it off, easy to clean and be dry. Protect your hardwood floors and carpets from nasty urine stains.Prevent the cat’s urine from getting everywhere. Washable Litter Box Mat: Pieviev litter box mat is an upgrade mat ,it made of soft durable and washable EVA material. Dirt can be removed super easily. Compared with mesh mats, you may not remove litter thoroughly even with vacuum.