Grass Refill Fits Spotty Dog Potty What a Relief! Time saving Spotty™ is there when you can't be. Spotty Indoor Dog Potty™ is the revolutionary in-home training system for indoor dogs and puppies. Using a combination of puppy pads, grid, and grass, the system separates and absorbs liquid pet waste for superior odor control for up to one week! The Spotty Indoor Dog Potty™ features a scented grass inlay that attracts dogs and includes a snap-in grid to hold the Spotty Indoor Dog Potty™ puppy pads in place. This means no more shredded puppy pad messes saving you time and the hassle of daily clean up. The Spotty Indoor Dog Potty™ also saves you money and waste by using fewer pads.