Fill treats into the four openings of the KONG® Goodie Ribbon™. The Goodie Gripper™ grooves keep your dog mentally challenged. The durable KONG® Classic natural rubber satisfies the natural chewing instinct and keeps your dog busy for a long time. Ideal for filling with KONG® Easy Treat, KONG® Snacks or your dog's favourite food. Note: Please never leave the pet unattended while playing. No toy is indestructible. To prevent injuries, the toy should be checked regularly for damage or loose parts and replaced if necessary.