Avery Sporting Dog PerfectHold HexaBumper Dog Training Bumper - Orange - Featuring 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 10" floating throw rope attached Dimensions:10" length / 3" ends / 2" center