Layer 1: Tear-resistant top sheet dries instantly to prevent pooling and tracking. Layer 2: Ultra absorbent tissue wicks away excess liquid from the surface. Layer 3: Maximum strength core locks in up to 40% more liquid than Puppy Pads. Layer 4: Scent attracts dog to pad while baking soda controls and eliminates odors. Layer 5: Leak resistant liner with reinforced edges provides ultimate floor protection.