Avery 3in White Hexa Dog Training Bumper - The Avery HexaBumper's design eliminates many of the disadvantages of traditional round bumpers and holds up to the daily routines of pro trainers. 10in floating throw rope is included Leak-proof valveless design for long life Six flat sides offer dogs easier grip & hold Firmer feel helps reduce chomping tendency VGrips promote soft mouth with superior hold White Single Bumper