Dental Ring has many polishing paper layers that brush your dog"s teeth as they chew * Your dog is able to brush their own teeth with the Dental Ring to help prevent plaque and tartar build up * Available in two sizes good for dogs ranging from small to large * Dental Ring has the added benefit of toothpaste to help freshen breath * 4" Diameter by 1.375" Thick * Great for medium to small sized dogs * Lets your dog brush its own teeth * Polishing paper layers brush dog"s teeth to the gum line * Removes plaque and tartar preventing gum disease * Toothpaste helps to freshen breath