Long Lasting: Dental Chews That Are Hard Like A Bone To Help Keep Your Dog'S Teeth Clean. Pair Them With The Starmark Everlasting Treat Toys For Challenging Chewing Fun. Chews Like A Real Bone: Features A Unique Shape That Your Dog Can Lick, Chew Or Gnaw. Challenging Design: Use With Starmark Everlasting Puzzles To Create Hours Of Mental & Physical Stimulation. Helps Clean Teeth: Special Dental Ridges And Chew Action Help Remove Tartar. Multiple Flavors And Sizes: Chicken, Liver, Hickory, Vanilla Mint, Wheat / Corn / Soy Free, And Wheat Free Flavors (2 Treats Per Pack). Small (Under 15 Lbs), Medium (Under 40 Lbs), Large (Over 40 Lbs). Indulge your dog with snacks he'll love. Everlasting Treats can be enjoyed solo or inside our Everlasting interactive toys for engaging chew sessions. Crafted from natural ingredients, free from plastics or polymers, and entirely edible. Dental ridges promote oral health by keeping teeth clean.