Canine Naturals Hide Free Beef Sticks Dog Chew. Hide Free Beef Chews have a great coating made from REAL BEEF and use ABSOLUTELY NO RAWHIDE OR COLLAGEN in production. Available in retriever rolls, and sticks and in sizes from small to large, we have the perfect sized chew for your dog. 100% Rawhide and Collagen Free Formula Easily Digestible Recipe – Over 95% Digested in 18 Hours Made with Real Beef Fulfills Dogs’ Natural Chewing Instinct Helps Clean Teeth and Gums No Artificial Flavors or Colors Available Size: 10-Pack 5" Sticks 40-Pack 5" Sticks