Redbarn's Bully Wrapped Collagen Sticks bring two of our signature lines into one irresistible dog chew. With a layer of pizzle wrapped around our collagen sticks, your dog will love the blend of textures and flavors with this long lasting treat. These all-beef chews are 100% natural and are free from grain, gluten, wheat, corn, and soy. They are naturally rich in chondroitin and glucosamine, which support healthy joints, healthy skin, and a beautiful, shiny coat.