The Petzee Gullet Sticks are sourced from grass-fed free range cattle, and are healthy and long-lasting. The Petzee Gullet Sticks offer an alternative to rawhide that is 100% digestible. Made tough to promote natural chewing action, reduces tartar and cleans teeth. Made from gullet tissue, these sticks are rich in protein. The thick and dense desgin allows for additional chewing time. Oven-baked for flavour and longevity, great for active chewers. Single ingredient recipe, high in nutrients for joint and skin health. 1-2 year shelf life.