Naturally-shed elk antler: all-natural dog treat for your dog and lasts for hours! Odor-free dog chew: no odor and little residue for your dog to enjoy in your home. Fantastic source of natural calcium, phosphorous, manganese, and zinc - great for tartar control Made in the USA: sourced from rocky mountain elk. 3 to 5 pieces per bag. Approx. 5-7 inches per piece. Splits better for senior dogs and whole antlers better for younger, more aggressive chewing pups.