The perfect size chew for bigger dogs. These grade A elk antlers are sourced are sourced in the USA in the Rocky Mountains. They’re highly durable providing hours and hours of long-lasting chew time. These single ingredient chews have a tough texture surface to help remove tartar and plaque while massaging gums. Each antler is filled with delicious soft bone marrow which is a wonderful source of essential nutrients like zinc, calcium, manganese and iron. Plus, they’re free of additives, chemicals and preservatives.