3 Piece Indoor Dog Potty Tray, Used for Pet Dog Potty Training Our Pet Park Made with Highest Quality Synthetic Grass , 3 Models Large:30"x 25"x 2", Meduim 25"x20"x2", and Deluxe 25"x20x2" with Drawer Indoor Pet Potty Training Made of high quality Synthetic Grass deluxe model include removable tray One Matt made of 3 layers, Keep your home Odor-free and clean For Indoor use, can be used also in your Patio, Balcony and porch