Leegoal Cute Color Shark Round House Puppy Bed with Pet Bed Mat Small to Medium,Gray Material:Superfine fiber cloth+oxford cloth+PP cotton filler;overall dimension:52x52x38cm/20.4x20.4x14.9inch;Inner size:47x47x38cm/18.5x18.5x14.9inch With a washable and detachable cushion at the bottom,no need of electricity to keep warm Self-warming material radiates heat back to your pet Etra thick stuffed fill for maximum comfort; Anti slip and damp proof Leegoal bulk packing with good quality warranty.