Balls 'n Bones&reg; 9" Natural Rawhide Rolls 4-Pack w/Red Glowball for Large Dogs - Choose Your Color! 100% Premium Rawhide with 3-1/2" glowball for added fun. Choose Your Color! Contains Conjugated Linoleic Acid (CLA) an Omega-6 fatty acid for healthy skin and coat. Made with grass-fed free-range beef hides. Antibiotic & hormone free. Safety-Sealed to insure they arrive clean & safe for your pet. Designed for big dogs and aggressive chewers.