The KONG Extreme Goodie Boneâ„¢ toy delights dogs that are the toughest of chewers and that delight in chew sessions. Made from the most durable KONG Extreme unique, all-natural black rubber formula this bone is designed for determined chewers. The KONG Extreme Goodie Boneâ„¢ also features patented Goodie Grippers â„¢ that turn this entertaining toy into a fun treat dispensing challenge that can be stuffed with your dog's favorite kibble. Want to extend the chew session? Stuff with KONG Snacksâ„¢ and entice with a bit of KONG Easy Treatâ„¢. Proudly made in the USA.