Made from 100% Australian Kangaroo kneecap tendons, Kangaroo Tendon Caps are hypoallergenic, boosting your dog's immune system with high level of zinc, Omega 3 and protein. It's a treat sacked to the brim with glucosamine, improving your dog's bone density and supporting their hips & joints. The ultimate lean training treat, and to cap it all off, no mongrel ingredients.