Favorite Dog Plastic Training Tray Potty High Protection Portable Pad Holder Potty Size: 15.7"L x 15.7" W x 6.1" H; Color: Blue; 3 high-sided walls protect the urine from spraying out of the tray, low front profile creates easier access Indoor Dog Potty is designed to make clean up simple, easy, and certainly mess free without burdening the environment The grates allow the poo to settle on top making clean up easy and mess free. Simply lift the grate with the poo on it and drop the poo in a recycled waste bag Non-toxic potty and grate to keep your home clean and odor-free The grates allow for your pet's paws to remain dry as the urine passes through grates and on to the base below where canine pee pads, or more preferably newspaper, absorbs the urine and odor