Elk antlers provide great taste and health benefits for dogs. These antlers are Grade A, USA, naturally shed treats; making it the highest quality product on the market. Hypoallergenic and natural sources of Calcium, Glucosamine, Iron & Potassium are the highlight of these antlers. They're also 100% all-natural, odor-free.Antlers are a natural product and vary greatly in diameter and density depending on where in the rack they come from. Please note that this product is sized by weight and the length can vary.