Bison Trachea Canoes are a nutritious and stimulating chew for dogs, containing high amounts of hyaluronic acid and chondroitin sulfate - compounds that can help boost glucosamine levels and aid in preserving the health of your dog's hips and joints. Ethically sourced from free-range, grass-fed US bison, these chews' unique taste and texture will keep your dog's tail wagging!