The Avery HexaBumper’s design eliminates many of the disadvantages of traditional round bumpers and holds up to the daily routines of pro trainers. 10″ 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 2″ or 3″ sizes White, orange, or black/white flasher Singles or 6 Packs in 2″ size