Great for power chewers, this ultra-strong toy contains no latex, vinyl or phthalates. • Dishwasher safe for easy cleanups. • Treat ball system encourages play to help reduce anxiety and boredom behaviors while providing hours of interactive fun. • Use the Everlasting Treat with Dental Ridges (sold separately) or an original domed Everlasting Treat (sold separately) in the top-you can also increase the challenge by adding smaller treats inside and in the grooves. **Does not include insertable treat — only shown in picture for example/reference