The BetterBone TOUGH dog chew is made to stand up to the most aggressive chewers.The Tough chew toy is made with two all-natural, food-grade ingredients and is still non-toxic, nylon-free, splinter resistant, and 100% sustainable.BetterBoneTough is best suited to dogs with strong, healthy teeth and those who justloveto go to town with a nice rugged chew. The BetterBone TOUGH is a natural replacement for nylon and in most cases will outlast nylon!Keeping your pup satiated, safe, and healthy while reducing environmental impact is the BetterBone promise.-All-Natural GMO-Free food-grade ingredients Sustainably Sourced-Delicious. Dogs love either of our flavors-Beef bones are flavored with real beef-Unflavored bones are hypoallergenic & vegan-Dental cleaning design-Ergonomic and interesting shape-1 Order = 1 tree planted -1% for the planet member-Carbon-neutral company and product-Manufactured in the EU under the strictest EU standards-No phthalates, BPA, parabens etc.