Nylabone Dura Chew Ring Original is a ring-shaped chew that is specially designed to help satisfy the chewing urge of your dogs. It is made of durable nylon and it is specially designed for powerful chewers. It also helps clean teeth and prevent the build up of tartar while your pets are chewing. It comes in a tasty Original flavor that dogs love. The product is available in Giant size and it is ideal for dogs up to 50 pounds/23 kilograms.