Twist, roll, left, right, back, forth... EXPLODE! The phenomenal Rolling Head Cup delivers impossibly exciting sensations, gripping you ever tighter in its wonderful lotion reservoir. Welcome to the Greatest Orgasm in the World! A sensual sensation like never before, made possible by adoption of a rolling head. With the adoption of a flexible body, a range of stimuli to the penis head is now possible with this onacup, including back-and-forth, right-and-left and rolling movements. You can also enjoy motions that you have never before experienced - a combination of rolling motions at the top and piston movements at the base of this TENGA Onacup. A new sensual sensation is also yours as you stimulate the sensitive head during and after ejaculation. Giant nubs give full play to the capacity of the moving head. Lotion reservoir keeps the point of insertion wet. Combination of nubs for amazing sensations. Flexible alternating heads allow free head movements. All TENGAs have lubrication inside. The lubrication consists of: purified water, glycerin, sodium polyacrylate, phenoxyethanol, and paraben (allergy tested in Japan). * Please note that this product is designed to be used only once. Use condoms to extend usage.