WEE-WEE Products Silicone Pad Holder Wee-Wee Pads provide worry-free indoor puppy housetraining Puppy tray prevents messes by keeping your pup perfectly positioned every time Fits any standard puppy training pad size and snaps together in seconds Puppy pad tray made of durable plastic for easy cleanup and lifetime use Made with 7-inch removable splash guard walls to keep your home clean