Orbee Tuff Ball has been perfected with a signature material. It’s made of all FDA-approved non-toxic 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 – Yorkie and havenese sized dogs. Measures 2¼inch diameter..