Home-X Pet Potty, 3 Piece Dog Relief System, Dog Training Pad, Pet Park (27x17) Non-toxic mat consists of 3 layers to keep your home clean and odor-free. Size: 27 x 17 x 2.5 Portable, easy to clean, just rinse with soapy water. Great for indoors, porches, patios, and balconies. Indoor pet potty is made of synthetic surface which is similar to grass. Home-X is a registered trademark of Simply Home Solutions.