Wrapped up in double the all-natural chicken and double the length, these chews are two times larger than our 6-inch collagen sticks. Best suited for stronger chewers, these Collagen Sticks combine the many health benefits of collagen with the dental benefits of chewing. Collagen promotes healthy bones, muscles, tendons, ligaments, skin, fur, and nail growth for your dog. Natural Alternative to Rawhide Helps support dental health through chewing action Wrapped with all-natural chicken Comparable to 12-Inch Thick Bully Sticks