Pro Action Advanced K-9 Dental Device with triple action cleaning performance will help give your dog a healthy smile. Proper oral care is essential to a dog's overall health so why not give him a toy that will help improve that health?The durable nylon ends are long lasting for powerful and determined chewers. The softer center massages gums.Ingredients: Nylon, Inert Soft Thermoplastic Polymer & Natural Bacon Flavors.Small measures 4.25" long. Medium measures 5.5" long. Large measures 7.75" long.Imported.