These nipple clamps bring fun into the bedroom with LED circles attached to the base! Find your fun and your partner in the dark by choosing from 3 different light patterns! The metal nipple clamps are adjustable with the twist of a screw so you can find your perfect fit and pressure. The tips are covered with vinyl to protect the nipples and skin from any abbrasion and to increase the amount of time they can be left on. The circular discs are premium silicone and hold CR1220 battery operated LED lights that can easily be taken out so cleaning the clamps is made easy. Enjoy a light-show in your bedroom by adding these fun additions to your sexy toybox! Slowly place the clamps at the juncture between the nipples and the areola, clamp them slowly by twisting the screw until the pressure is right, and then turn on the flashing lights for added fun! Measurements : Overall length: 3.5 inches, Clamps open up to 0.5 inches wide Materials : Silicone, ABS plastic, metal, vinyl Color : Pink silicone circle, LED lights: green, blue, red Note : 4 CR1220 batteries (included)