Built with Glad-level durability and leak-proof protection, Glad for Pets Activated Carbon pee pads for dogs with Micro-Defensive Technology are great for puppy potty training and making it easier on senior dogs, as well as for carrier and dog crate pad liners. Our signature black charcoal large pee pads for dogs not only hide unsightly yellow spots, but the activated carbon technology neutralizes odors from dog pee and waste. Furthermore, these pet pads are designed with a unique formulation that helps prevent the formation of odors. Glad activated carbon dog training pads are made with six layers of leak-proof protection, plus unique folded edges for extra leak resistance. The gray quilted top sheet helps stop liquids from spreading. The carbon tissue layer neutralizes odors and masks yellow spots. The ultra-absorbent polymer layer turns liquid to gel in just 15 seconds, keeping your pup’s feet from tracking through the house! These 23”x23” large dog pads heavy duty can contain up to 4 cups of liquid, and the leak-proof PE liner protects floors from any seeping moisture. Additionally, Glad puppy pads include an odorless pheromone attractant that encourages dogs to mark the right place right from the start. These disposable potty pads for dogs make potty training puppy a breeze, and when they’ve been used, simply discard them and replace them with a fresh pad. Glad has always been the go-to brand to conveniently contain messes, and pet parents know that few things make bigger messes than pets. From puppy potty training to waste clean-up, pet parents need a brand they can rely on for leak-proof, durable, convenient, & effective clean-up solutions. *It is recommended to keep edges folded for additional leak protection. Dimensions with folded edges are 20.5" x 23" (52.07cm x 58.42cm).