Hartz Rawhide Bone, 9 Inch for Large Dogs (Pack of 3) Pack of 3, 9 inch bones, For large dogs over 50 lb Extra Thick Bone Hartz Nantural rawhide - All Nantural, no No preservatives for enhanced enjoyment Long lasting chew. Satisfies your dog's instinctive urge to chew , which reduces plaque and tartar. Rawhide chews help prevent tartar buildup, and promote gum health.