N-Bone Twistix Naturals Vanilla Mint Dental Treats LargeTwistix Naturals twisted dual action dental chew fights plaque and tartar while chewing, and freshens the breath with real vanilla, mint, alfalfa, and parsley. Added pork collagen makes Twistix Naturals more digestible, moderately long lasting, and simply irresistible. Our irresistible dual flavors have a dual purpose as well! The vanilla side of the stick is specially formulated to clean teeth, scrubbing away plaque and tartar as your dog chews. The