With the adoption of a flexible body, a range of stimuli to the penis head is now possible, 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. A new sensual sensation is also yours as you stimulate the sensitive head during and after ejaculation. All TENGAs have lubrication inside. The lubrication consists of: purified water, glycerin, sodium polyacrylate, phenoxy ethanol, and paraben (allergy tested in Japan). * Please note that this is product is designed to be used only once. Use condoms to extend usage.