The Kong Duets Duos Lightweight Bouncing Bone Multi-Surfaced Squeak and Fetch Rubber Dog Toy is a multi-sensory, interactive dog toy that will keep your pup guessing with each unique bounce. Its dual materials and curved bone shape create an erratic, unpredictable bounce to entice running and retrieving. The toy features dual colors and textures for easy gripping and engaging play, and a lightweight, squeaking design that’s easy to throw perfect for hours of energy-burning fetch and interactive fun. Available in Multiple Sizes