Fetch and Chew Toy: The KONG Classic's unpredictable bounce makes for exciting games of fetch and other interactive play with your pet. This is a fun way for average chewers to get the exercise they need Stuffing: The stuffable KONG Classic is even more enticing when treat filled with bits of kibble, peanut butter, KONG Easy Treat, Snacks or Ziggies. Bonus: For an added challenge, freeze stuffed KONG for 4-6 hours before giving to your dog. (Dishwasher safe for easy clean up) Vet Recommended: Veterinarians and trainers worldwide recommend the KONG Classic as one of the best durable dog toys available