Busy Buddy treat rings are designed for use with select Busy Buddy toys, including the Bouncy Bone, Bristle Bone, Nobbly Nubbly, and Jack. Make playtime last longer by adding these treat refill rings to your dog's Busy Buddy toy. Ingredients: Rawhide, sorbitol, potassium sorbate (gluten free) Crude Protein 50% (min) Crude Fat 4% (min) Crude Fiber 1% (max) Moisture 15% (max)