Pack of 4, 7 inch bones, For Med/ large dogs - 20-50 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.