Four Paws Wee Wee Patch Replacement Grass 22"L x 23"WDesigned to use with the Wee Wee 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. This grass patch for dogs features Easy Clean Home Technology with quick drying capabilities, a non stick surface, and antimicrobial protection that inhibits