FlashDry Technology: Instantly turns liquid into odor absorbing gel. Absorbs liquid quickly. For powerful leak protection. Hartz dog pads provide 6 layers of protection to ensure no leaking or spreading. Top Sheet Quickly Traps Liquid Into Pad: Prevents wet paws tracking and runoffs. Ultra Absorbent Top Layer: No spreading allows for multiple uses per pad. FlashDry Technology Gel instantly turns liquid to gel lock in moisture & odors. Heavy duty bottom layer: For strength and durability. Water-Proof Plastic Backing: Blocks leaks, even at the corners to protect floors.