Prairie dog antlers are north American antlers that are naturally shed or harvested. Our antlers are the highest quality north American antlers on the market today. This 100% natural dog chew is a natural source of several essential minerals that are beneficial to your dog. So go ahead and treat your furry friend to this non-allergenic, odor free, all natural dog chew! elk antlers are the softest in density and are best for puppies, older dogs, and dogs with sensitive teeth or gums. Deer antlers are moderate in density and are best for moderate chewers. (Most dogs)moose antlers are the most dense and are best for strong or active chewers (large breeds)please note that because this product is all natural, each antler will vary slightly in height, length and shape from the description shown.