The natural KONG Classic red rubber formula is created to be durable and satisfy your dog’s natural instinct to chew. The KONG Goodie Bone is even more enticing when stuffed with KONG Easy Treats or Snacks. The patented Goodie Gripper holes are ideal for stuffing challenges. The Goodie Grippers extends the mind-occupying treat challenge and becomes a fun treat dispensing toy for your pet. Made for medium dogs size 15-35 lbs (7-16 kg) (Power Chewers: Increase one or two sizes or try KONG Extreme). Made In The USA.