GREAT DOG Mammoth Elk Antler Chew | All-Natural, Long-Lasting Dog Chew, USA SourcedProduct Description Give your dog a durable, nutrient rich chew built for the biggest, most powerful jaws with GREAT DOG Mammoth Elk Antler Chew an all natural, single ingredient chew sourced from naturally shed elk antlers in the Rocky Mountain region of the United States. Harvested in Colorado, Montana, Wyoming, and Idaho, these elk antlers are 100% renewable and ethically collected after being naturally shed each year. Each chew measures, on