OXBALLS new RIBNIPS curved springyNIGHT EDITIONnipsucks in our lushestSILSOFT SILICONEblend, in deep dark velvet-blackcolor—a grippy super-stretchy rubber for the hardest,darkest-night play.RIBNIPS 2-pack nipsuckers are slightly curved but not tapered for a full thick sucked nip, with a flange base, these suckers stayon, the base flares out for more skin contact—even on furry chests.The powerful suction comes four springy rings around each sucker that make the nipple-tube spring open, these will notcollapse like old snakebite style suckers--we made the walls thinner to allow for more plump-pump and largerjuiciersucked-onnips.