COCKSLING is a hard core, meaty cock toy built tough for the long haul, but UNIT-X is a sleek, sporty, power fucksling built for speed.It wraps around just the base of your dick and the top of your ballsack, no extra thick rings or chunky bits. It made from a all new TPR blend that's stretches more and it feels more rubbery.UNIT-X fits big or slim dicks, it fits huge balls or high and tight nut sacks.