Nipple Play Advanced Vibrating Heated Nipple Teasers Black. Non-piercing, advanced, adjustable nipple clamps that warm as they vibrate. Fully adjustable multi-use clamps. High intensity motor with 2-speed push button control. Warms to an incredible 138 degree Fahrenheit / 59 degrees Celsius. Silky smooth Satin Finish. Safe and pure for body and pleasure made using phthalate free materials ABS plastic with polyurethane PU Cote controller, clamps, Nylon screws, ABS plastic with silver plating button, PVC cord. Vibrating nipple clamps requires 2 AA batteries, not included. Bulk weight 2.6 ounces. 2 inches by 1.25 inches. Unisex for him or her.