* Polyester * Reusable Pee Pads for Dogs. The large washable pee pad is great choice as a whelping pad for the whelping box, to provide enhanced floor protection for indoor pets, also as senior dog pee pads, effective retention liquid can not pass through to the floor. * Soft and Comfortable Blanket Texture. Composite polar fleece surface is more like a blanket texture which is soft and comfortable, also provides cushion for parents and puppies to rest, sleep and play. *Super Absorbency & Non-Slippery' Extra large pet pee pad holds more liquid up to 8 cups, four thickened layers prevent liquid from spilling out and dry faster, non-slip gel dots on the back which help keep them in place even on hardwood. *[Multiple Use] The washable dog pee pad is not only great for puppy training and whelping, but also applied to dog playpen, crate, cat litter box and ultimate protection for floor, carpet, sofa, car seat. *Machine Washable' The dog pee pad supports machine washing and low temperature drying. Reusable pads are easier to wash every few days instead of constantly cleaning the floor and cleaning up the mess.