Hartz Bone Rawhide Braid, Natural, 10 Inch, Large Dogs (Pack of 4) Pack of 4, 10 inch bones, For large dogs over 50 lb 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.