Barkworthies Duck Feet are high in protein and a great natural source of chondroitin, which helps promote mobility and agility by supporting healthy joints. Made only of all-natural duck, these dehydrated treats contain no additives or preservatives. Barkworthies Duck Feet provide your dog with a safe, healthy, grain-free treat. Through tooth and gum cleaning action while gnawing, they also promote dental health! Most Barkworthies' all-natural dog treats and chews are completely preservative-free and additive-free. Please note that this product is not for human consumption. Please supervise your pet while giving a treat or chew and dispose of properly if it becomes a choking hazard or develops sharp edges.