100% natural antler chew natural yearly shed from Scotish and EU deer. Suitable for puppies, long lasting, low in fat, helps with dental health. This is a natural product, size and shape vary, the below size guide is an approximate weight per antler. Size guide Small - 50g Medium - 76g / 150g Large 151g / 220g Extra Large 220g plus Composition 49.7% ash,39.6% crude protein, 11.8% moisture, 0.4% crude fat To avoid a choking risk, take antler away from your dog when it is warm down to a size of which your dog could easily swallow.