Used with our Four Paws Wee-Wee Dog Grass Patch Tray, our Four Paws Wee-Wee Dog Grass Replacement is a great indoor or outdoor potty-training solution. This small dog grass pad has built-in attractant that helps draw your dog to the pad and lets him know where to go. The realistic dual-length dog training grass gives the patch a more natural feel under your pup s paws. Dog replacement grass available in small (20 inches x 20 inches) and medium (20 inches x 30 inches). Best dog grass mat for indoor or outdoor potty training. Dog grass pads have attractant to draw dogs to the pad. Realistic grass patch gives your pup a more natural feel. Great puppy apartment potty training solution. Small dog potty grass for dogs up to 15 pounds. Size: 19inx19in. 12 Count.