Two packs with 12 oz eachnDental ridges on the chew help scrub teethnOutside has fresh flavors of chlorophyll, cinnamon, vanilla, and clove to freshen breathnFilled with toothpaste that helps control plaque, tartar, and bacterianPets do all the work, not you!nBreath-Less Brushless-Toothpaste may appear similar to other pet dental chew products, however the similarity ends with the look of the products. Breath-Less Brushless-Toothpaste on the outside contains proven breath freshening ingredients and ridges for effective scrubbing. Breath-Less Brushless-Toothpaste on the inside contains Ark Naturals patent-pending toothpaste center for plaque, tartar and bacteria support. Brushless-Toothpaste contains a patented bio-available form of Vitamin C called Stay-C(R) 50. Clinical studies have shown that Stay-C 50 inhibitsthe growth of plaque forming bacteria and supports healthy gums, which therefore creates an additional barrier against bacteria growth. Glucoxidase is a natural enzyme that slows the growth of mouth bacteria and sodium pyrophosphate, an ingredient that disrupts tartar build up.