For a delicious, natural chew that dogs just can't put down offer your pet Wild Eats® Collagen Retriever Duck Flavor Dog Treats. These chews feature beef gelatin, a cooked form of collagen, as the number one ingredient. Collagen supports strong joints and muscles. It also promotes a healthy coat. Wild Eats� collagen is hydrolyzed to help break down the dermis layer, making each chew easy to digest. These chews offer a tasty alternative to bully sticks and rawhide treats. Available in a fun stick shape or roll.