Hartz Home Protection Unscented Odor Eliminating Gel Dog Pads Each pad measures 21" x 21" FLASH-DRY TECHNOLOGY: Liquid instantly turns to gel with our Flash-Dry technology, locking in moisture to prevent leaks and odors. WONT LEAK OR SPREAD: In addition to our Flash-Dry technology, the plastic backing and border on each pad helps protect all floor types by blocking leaks at the corners ODOR CONTROL: Our harmonizing odor technology neutralizes odors, not mask them. MULTIPLE USES PER PAD: Our 6 layer construction pad creates a small urine spot, allowing your dog to find fresh, clean spots for multiple uses per pad. IDEAL FOR PUPPY TRAINING ALSO RECOMMENDED: Elderly or sick dogs, extended indoor stays, or for use while traveling.