K&H Classic Orthopedic Gray Dog BedThis Classic Orthopedic Dog Bed is filled with 2.5"" of medical grade orthopedic foam. Indoors or outside, this bed can be used in all four seasons. Thick supportive foam is surrounded by durable 600 denier nylon with a water-resistant coating for extra protection. Great for pets that are aging or convalescing and need a firmer bed that will offer support as well as comfort. A great choice for a crate pad to keep your dog comfortable and off the cold floor or plastic crate tray.