Clean Go Pet Puppy Pads, Leakproof, Five-Layers, Eight-Hour Protection, Scented to Attract Puppies Leakproof pads have a poly-lock core, made of an advanced-technology polymer, to lock in liquid and prevent tracking and tearing Each five-layer pad provides eight hours of protection Holds two-and-a-half cups of liquid Specially scented to attract puppies and make house training easy Absorbs liquid and minimizes messes