Extremely Durable: Made with the toughest long-lasting material. The durability of the toy will allow it to develop into your dog's favorite Improves Dental Hygiene: Specially Designed bumps and grooves will help improve your dog's dental hygiene to keep them healthy and clean its teeth. Variation: Differing textures and materials provide your dog with various options, keeping the toy feeling new and exciting Super Safe: Know your dog will be safe when chewing on the toy, as it is made with non-toxic environmentally friendly material Fun Sounds: The fun squeaking sound will keep your pet constantly entertained and interested.