Avery PerfectHold HexaBumper 10in Dog Training Bumper - Black/White - The PerfectHold HexaBumper promotes proper pickup each retrieve. It features a new dumbbell design with enlarged hex-shaped ends to promote proper pick-up using the middle of the bumper. Six Flat Sides Offer Dog Easy Grip And Hold Vgrips Promote Soft Mouth With Easier Hold Firmer Feel Helps Reduce Chomping Tendency Everlasting Leak-Proof Valveless Design 10in Floating Throw Rope Attached Available In White, Orange & Flasher Colors Dimensions: 10in Length / 3in Ends / 2in Center