1.Thermoplastic Polyurethane 2.[Fast Absorption & Leakproof Puppy Pads]4 thickened layers dog pads prevent urine outflow and dry faster. Super absorbent high density middle layer absorbs urine and odor within 2-3 minutes. Our whelping pads effective hold the urine can't through to the floor. No leak through or smell, keep puppies and floor clean and dry. 3.[Washable & Reusable Pee Pads]Machine washable and low temperature drying. washable pee pads are durable and long lasting, multiple washes. (keep same good leak-proof effect) This 72'x 72' extra large washable pee pads for dogs are reusable and super absorbent. The sizing is perfect for any breed or size dog. 4.[Soft & Anti-Slip Bottom]There are a great deal of upgraded anti-slip silica gels on the bottom side of the fabric. The leak-proof, slip resistant backing will doggy potty pads stay on bed or floor. Dog pee pad special bottom PVC epoxy resin keep the pee pads stable. These pee pads have a slight blanket texture, the puppies can get a hold and not slip on them. 5.[Save Money & Eco-friendly]Washable pee pads for dogs can washable and reusable 300 times. An excellent economic and environmental choice saving money and protect environment. Our pee pads air dry quickly, TPU waterproof coating keeping dog pads stand up to repeated cleaning or urine soaking, not easy to be teared by dogs. Save us lot of work to dealing with mess while dogs , beats buying endless bags of wee wee pads.