Pet Potty Grass for Dog Cat Pet Park Traing Pads Replacement, 20"x30" Replacement grass mat for pet potty patch, which ideal for housebreaking your dog Made of environmental protective antibacterial materials, no addition agents that lead to hypersusceptibility Looks like real grass and perfect for use indoors, porches, patios, and balconies. So easy to clean, just rinse with soapy water Synthetic Grass Mat Size: 20"x30"