Hartz® Dentists Best® Dental Rawhide Chew™. Freshens breath. Stuffed™ beef flavored center. DentaShield® coating. Reduces tartar formation by 80%. Rolls for small dogs up to 20 lbs. Treated by Irradiation. Net Wt 40g (1.41 oz). Did you know Dogs suffer from tartar, gum disease, and tooth loss just like we do. Infections start in the gums and can spread throughout the body, so it's important to keep your dog's mouth clean and healthy. How does DentaShield® work 1. The chewing action helps reduce tartar build-up, freshen breath & promote healthy gums. 2. DentaShield® reduces new tartar formation by bonding with components in your dog's saliva. 3. Leaving your dog with cleaner teeth, longer! US Patent #5,618,518. Visit our website: www.hartz.com.