Details: Ark Naturals Brushless Toothpaste is a vet recommended award-winning chewable dental solution for pets. Brushless Toothpaste is an easily digestible gluten free dental chew with clinically proven, natural herbal ingredients that help your pet care for their own teeth between cleanings.The outer ridge of the dental chew helps to remove plaque and tartar in a safe, abrasive manner. The inside of the chew is Ark s patented toothpaste center that kills bacteria causing bad breath and eliminates tartar and plaque build up throughout the mouth. Chews are carefully crafted in the USA with natural fresh flavors of alfalfa, cinnamon, vanilla and clove to help freshen breath. For large breed dogs that are 40+ pounds.