BetterBone HARD is the ultimate natural & durable chew toy for strong, tough, & aggressive chewers! Crafted from all-natural, food-grade ingredients, it is designed to promote health and dental hygiene with its super durable natural, food-grade, GMO-free ingredients. Our unique teeth-cleaning ends reach tricky, hard-to-clean areas. Pair this with our natural, non-toxic, hypoallergenic, and splinter-resistant composition; BetterBone HARD is the perfect chew toy for the strong and aggressive chewer in your life - Perfect for dogs in their prime with healthy teeth.—the perfect replacement for nylon, or antlers. If you have an older dog or teething puppy recommend our BetterBone SOFT/Classic version of the bone, which is easier on their teeth.