The Top Dog Chews Elk Antler is a single-ingredient chew made with 100% naturally shed USA elk antler. It is extremely tasty due to its exposed marrow, offering your sidekick a much softer and easier chew. The full of calcium, phosphorus, manganese and zinc makes it just as healthy as it is enjoyable. It is completely free of odor and mess so that your dog can enjoy it indoors or outdoors. It works to naturally clean their teeth as they chew so it’s great for oral health too.