The EHEYCIGA orthopedic dog bed features memory foam and egg crate foam to provide support and pressure relief for elderly dogs. This sofa bed design includes 3-sided bolsters to support your pet's neck and head while they sleep. The sleeping surface is covered in cozy fleece and includes a waterproof film between the surface and bottom fabric to keep the bed dry. The cover is removable and machine washable on a delicate cycle. Please allow the bed to expand for 24 to 48 hours after unpacking.