Clean Go Pet Super-Absorbency Puppy Pads, Anti-Microbial, Six Layers, Hold Seven Cups, XL Size Leakproof pads have a poly-lock core, made of an advanced-technology polymer, to lock in liquid and prevent tracking and tearing Each six-layer pad provides 12 hours of anti-bacterial protection Holds seven cups of liquid Specially scented to attract puppies and make house training easy Made with baking soda, to neutralize odors