Antlers are Grade A, fresh whole antler from the USA only. Long-Lasting!: Antler chews are long lasting much longer than chews made of compacted starch or rawhide. Safe chewing!: Whole deer antlers for dogs are much less likely to chip or splinter than processed bones as the chewing grinds the antler chew down slowly. Healthy!: Antlers contain many beneficial nutrients and nothing artificial. Naturally Shed Deer Antler, 6 oz.