Since 1970, Four Paws has been delivering the highest quality products to simplify pet parenting and help our furry friends stay happy, healthy, and clean. Designed to use with the Wee-Wee Premium Patch Premium Patch Pet Potty (sold separately), this replacement dog grass mat lets you customize your dog potty area and give your four-legged friend a real grass feel beneath their paws. Simply place the grass mat over a Wee-Wee Pad or Premium Patch Washable Pad. Specially treated to help inhibit odors, this grass patch for dogs features Easy Clean Home Technology with quick-drying capabilities and a non-stick surface. The system is a trusted solution for both indoor and outdoor use and is intended for a variety of scenarios like dog potty training and house breaking. Plus, it features built-in pet attractant to draw your dog to the potty. Our dog grass mat is 22 inches by 23 inches and recommended for dogs of all sizes.