Made from an ultra-lightweight material, the AirTuff Bone floats, bounces, and resists punctures from your dog’s sharp teeth. It’s perfect for fetching fun outdoors and it’s easy to clean. Lightweight and easily portable, the AirTuff Bone is destined to become a favorite toy for playing games of fetch wherever you go! Not intended for heavy chewing. Material: Expanded thermoplastic polyurethane (E-TPU) Features textured surface that makes it easy to grip.