The PoochPads PG16P24RG Indoor Turf Dog Potty Replacement Grass is a set of three reusable and washable grass mats designed for indoor use. Made by the brand Pooch Pad, these mats provide a realistic alternative to traditional dog potty pads, making them ideal for house training pets. With dimensions of 15 x 23 inches, these mats offer a convenient and efficient solution for pet owners looking to provide a safe and clean environment for their furry friends to do their business indoors.