The iPetz Anti Tracking Cat Litter Mat is a double thickness anti-track mat for fine litter. The soft yet durable EVA mat is waterproof and features two layers joined by velcro. The top layer has small holes to allow small particles to pass though and the bottom layer will catch them. Simply place the iPetz Anti Tracking Cat Litter Mat in front of your cat's litter tray and say goodbye to litter tracking all over the floor. Some cats also like to use the iPetz Anti Tracking Cat Litter Mat as scratching mat.