Optimale Secondskyn Silicone Warming Stroker Vibrating USB Rechargeable MasturbatorAn outer shell of sturdy hard plastic encases a powerful vibrator with 10 unique modes to send stimulation skyrocketing, while a luxurious interior lined with dual density SECONDSKYNb", an enticingly soft, flexible silicone that conducts warmth and molds to your touch, strokes your shaft. Individual buttons operate the vibrating and warming features, giving you the power to combine and time the stroker's stimulating modes to perfectly pleasure you.