Super Absorbent & Quick Drying: The 6-layer protection design makes our thickened puppy pads pet training pads much more absorbent, perforated film as the top layer of the pee pads which can speed up the liquid to pass through the surface than common non-woven fabric and keep the surface quick-drying. Thicken & Leak-Proof Design: The dog pee pads extra large are thicker than others, it is more efficiently to prevent floor and carpet from pet urine damage, absorb liquid faster, upgraded thickened PE film is much more leak-proof, tear-resistant, and durable, the polymer core turns urine into gel quickly, keep pets dry and clean all the day. Hold More Liquid Up To 12 Cups: Increased to 12g super absorbent polymer and fluff pulp hold more liquid up to 12 cups, with more polymer and fluff pulp than others, these dog pads extra large turn liquid into gel faster, keep your floor dry, and more money saving. Activated Carbon Pee Pads: Activated Charcoal is great for eliminate odors, these pee pads for dogs could control urine odor, while they are odorless and harmless, no irritating to pets. Activated carbon layer neutralizes odors and absorbs yellow spots, keeping your house clean and suitable as potty training pads for dogs, cats. Extra Large Size & Multiple Uses: The size 13"x18" is ideal for small to large dog breeds. Not only for dogs, but also for kittens, cats, rabbits, ducks, squirrels, guinea pigs, birds, and other house training pets, besides, great for pet potty training, aging or sick pet assist, travel carrier, puppy tray, on car, carpet, bed, covering water and food bowl spillage as well.