The KONG Puppy Teething Stick is made with unique KONG Classic puppy rubber. The Denta-Ridges gently clean teeth and soothe sore gums when chewed. Fill them with Easy Treat or Peanut Butter to encourage long-lasting play sessions. Playing with the Puppy Teething Stick helps teach puppies appropriate chewing behavior. Use with puppies until they reach 9 months, then they can graduate to KONG Classic Rubber toys. Not recommended for puppies over 9 months. Supervised use only. Remove all packaging. Discontinue use if damaged. As puppy grows, graduate to larger Puppy or KONG Classic. The KONG Puppy Teething Stick is made with unique KONG Classic puppy rubber. The Denta-Ridges gently clean teeth and soothe sore gums when chewed. Fill them wit