Best Bully Sticks Gourmet Beef Cannoli Dog Chews (6 Pack) Outer shell made from beef aorta, a nutrient-rich artery of the heart Inner filling of High Protein Beef Tendon to support an active lifestyle Free of of additives, chemicals and preservatives Made of 100% Beef: Dogs love the authentic, meaty taste! Beef Cannolis provide a satisfying treat that also fights plaque and tartar