COLT Gear for men and women. Colt Grips vibrating adjustable nipple clamps designed for multiple purpose use. Push button control.Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials ABS plastic with Rubber-Cote Polyurethane PU Cote. Batteries included 6 watch size to power up, 12 included. Nipple clamp overall measures 2.5 inches long by 1.5 wide. Clamp measure 1 inch long by .75 inch wide. COLT Grips is a registered trademark for California Exotic Novelties. Sex toys and sexual wellness.