C.E.T. Enzymatic Oral Hygiene Chews for Dogs combine natural antiseptic with abrasive beefhide texture and your dog's chewing action to reduce plaque and loosen tartar. Dogs love the tasty poultry flavor which makes C.E.T. Chews easy to feed. Helps keep their breath fresh and teeth clean. Easy to chew and digest. Use daily or on days when brushing isn't possible. Sorry, this product cannot be shipped to New Mexico.