Super absorbent pads with odor control polymers will keep your dog clean and your home accident-free! The 100% virgin cellulose layer provides complete absorption, while odor control polymers prevent unwanted odors. The back is 100% leak proof. excellent: When training puppies to go to the toilet in a specific place When carrying your pet in your car To be placed under the bowl To be placed at the bottom of the dog's bed and carrier