[Dog Training] Training your dog to go to the indoor / outdoor toilet at a fixed site will make life easier. [Perforated Grate] Well made grate allows your pet’s urine flow to the pads underneath the grate.Keep your pet’s paws away from soiled pads. [Comfy for Paws] Perforated grate allows pee to flow down to the tray underneath. No more mopping under the soggy newspapers or pads! [Easy to Clean] Sloped base tray for collection to the water pipe. You will not have any trouble in cleaning the pet potty. [Helps to avoid accidents] The puppy always has a place to go, when you can't take them out.