Orbee Tuff Ballhas been perfected with a signature material. It's made of all FDAapproved nontoxic ingredients, it's also recyclable and peppermint scented. The Orbee Tuff Ball is pliable, chewy, buoyant, extremely bouncy and amazingly durable for the toughest chewers. It's perfect for having hours of fun with your pet. Recommended size Goldens and Lab sized dogs. Measures 41/4inch diameter.