Calorie Content (calculated): 3,030 kcal ME/kg; 40 kcal ME/treat. Toy + treat for dogs. For dogs under 10 lbs. With DentaShield for cleaner teeth. Centre comestible. Hartz Chew'n Clean Dental Duo with DentaShield combines edible dental benefits with fun! Satisfies natural desire to chew. Chewing helps remove tartar, keeps teeth clean and exercises gums. The edible center consists of a bacon-flavored treat. Hartz.com. Facebook. Instagram. Made in China.