Bucking Great Premium 'Grade A' Elk Antlers by Bucking Great Medium Split is 4-5" long full of of yummy, nutrient rich exposed marrow. Recommended for puppies and dogs 10 - 35lbs Antler chews hold up longer than artificial or man-made treats of compacted starch & rawhide. Antlers contain many beneficial bio-nutrients and nothing artificial. Fresh antlers are nearly impossible chip or splinter when they are being chewed unlike processed bones, or other lesser quality antler chews. Your Dog's chewing action grinds the antler down very slowly. Made from high quality, fresh Elk antlers which have been cut through the center-core to give your dog easier access to the yummy marrow center.