Ideal for housebreaking and perfect for apartments, homes with no yards, traveling with your pet, and more No Wet Paws: Innovative drainage system and synthetic grass quickly drain urine away from surface Immediate Odor Control: Wee Sponge powder absorbs urine on contact and turns it into gel to trap odors Reinforced base easily supports pet's weight Easy Cleanup with No Spillage: Pee-Pod tray lines collection bin and holds Wee Sponge for mess-free disposal; Replaces disposable pee pads for a more environmentally friendly solution; For Large Dogs: Labrador, Golden Retriever, Australian Shepard, Husky, Boxer, etc.