Gridlock Training Pads are the first pad to use and antibacterial Polymer to maximize absorption. This Polymer makes the Gridlock Pads the safest and cleanest pad available. They're great for puppies and dogs of all ages who may need a little help at home. FEATURES AND BENEFITS The most absorbent puppy pad on the market Specially scented to attract your pet and aid in training Uses advanced polymer technology Uses grid channels to increase absorbency and trap unwanted odors