Chunky Chews Braided Beef Rawhide Rings for Large Dogs 100% Premium Rawhide. Made with grass-fed free-range beef hides. Antibiotic & hormone free. Designed for big dogs and aggressive chewers. Contains Conjugated Linoleic Acid (CLA) an Omega-6 fatty acid for healthy skin and coat. Patented Miracle-Marinade no-run formula provides rich flavor throughout.