HEALTHY BENEFITS: Deer Antlers Are the Perfect Choice for Aggressive Chewers. Completely Odorless and Excellent Source of Calcium, Phosphorous, and Other Nutrients. These Long Lasting Chews Are Also a Great Way to Keep Your Dog’s Teeth Clean, Massage Their Gums, and Exercise Their Jaw. They Are Jam Packed With Salubrious Nutrients to Aid in the Building of Strong Teeth, Bones and Clean the Dog’s Gums With Mechanical Action of Chewing.