Hartz Rawhide Bone, Natural, 5 Inch, 8 Bones 8 BONES [ 4 PACKS EACH HAS 2] 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. For Small / Med dogs - less than 20 lb