Puppy kong teething sticks puppy kong teething stickspuppy teething kongs have a special teething formula which makes the rubber softer for those young brittle teeth but as durable as the original red kongideal to use during a puppy39s teething stagethe puppy kong teething stick is perfect for puppies mouths the exclusive denta ridges gently clean the teeth and soothe sore gums when being chewedavailable in three sizes blue or pink availablefor use up to the age of nine monthsnbspmade in the usa