Best Bully Sticks All-Natural Duck Feet Dog Treats (30 Pack) Hypoallergenic Treat: Duck is a Perfect Alternative for Dogs with Sensitive Stomachs Hip and Joint Support: Naturally Rich in Glucosamine and Chondroitin to Aid Healthy Joint Function 100% Natural: Free of Any Additives or Unhealthy Chemicals that Could Harm Your Pup Healthy Snack: Our Duck Feet Treats are Single-Ingredient and Fully-Digestible