Zeus NOSH STRONG is made of strong, durable nylon that satisfies your dog's natural chewing instinct while providing long-lasting enjoyment. Strong enough to withstand even the most enthusiastic of chewers, Zeus NOSH STRONG will keep your dog busy and challenged. with the added benefits of exercising jaw muscles and helping maintain oral hygiene. Key Features:For active chewersMade of 100% nylonSatisfies the natural instinct to chewHelps prevent boredom and destructive chewingSafe and durableLong-lasting funAll flavor3 sizes: Small, Medium, LargeAvailable in 3 flavors: Chicken, Bacon, Beef and Cheese