The KONG Puppy Teething Stick is made with unique KONG Classic puppy rubber. The 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. Special Features Promotes healthy teeth and gums Stuff with treats, pastes or peanut butter Soothes gums and fun to chew For dogs up to nine months of age Made in the USA. Globally Sourced Materials. Assorted colors: Pink and Blue Product Details: Weight: 6.2 ounces HxWxL: 2.25 x 4.8 x 2.25 inches