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.Material: External-plastic, Internal-silicone.Size: 16cm.