The Indoor Grass Dog Training Potty Pads & Base brings the backyard indoors! Easily housebreak your pup without the mess of traditional pads. This 18 x 13 x 2 grass turf is antimicrobial and is designed to have a look and feel that will encourage your pup to pee. This system features a unique three-layer design to keep odors at bay. This makes for a leak-proof base that is a breeze to clean. Use this training pad indoors to teach your dog how to go.