We offer this Artificial Grass Pee Pad for your home needs. This is perfect for owners who live in apartments, work long hours or want to potty train their pets. Instead of using multiple potty training pads, this entire unit is reusable! The three layered system was created to contain your pet’s waste. The top layer of the tray is an artificial grass-like turf material that is odor resistant and antimicrobial. That layer sits and locks in on top of the liquid catching tray that fits tightly into the main tray to hold everything in one piece. The three layered system was set up for easy clean up!