Since 1999 Natural Petworks Grain Free All Natural Ingredients No Gluten Ingredients Cleans Teeth Freshens Breath For Dogs - 5 - 25 Lbs Helps Fight Tartar & Plaque Easily Digestible Good Buddy Dental Bones are a delicious dental chew to help clean teeth and freshen breath. The unique texture helps to remove plaque and tartar and, unlike most dental chews, they are grain-free and all natural! Guaranteed Analysis: Crude Protein (Min.)1.50% Crude Fat (Min.)2.00% Crude Fiber (Max.)6.00% Moisture (Max)16.00% Calorie content: 3,200 kcal/kg or 32 kcal/treat ME (metabolism energy) on an as-fed basis (calculated).