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 Density is perfect for strong and aggressive chewing dogs with healthy teeth. Made from two natural ingredients, our bones are healthier, safer, and delicious. The best part is, there is NO NYLON in any BetterBone. This is our large size which is recommended for large breeds (Dogs typically over 45 to 50 lbs). Our Classic flavor is hypoallergenic and really great for dogs with sensitive stomachs. Flaking is to be expected and is splinter resistant splinter.