The casing with medium-soft, spiral-shaped lamellae and a fantastic suction effect make the tenga flex so special!the Flexible pleasure channel comes up with different constrictions and structures, while the also flexible outer shell turns back and forth with every up and down thanks to the spiral-shaped grooves. finger pressure can be used to precisely control the sensations. for the suction effect, simply hold the air hole at the top of the toy closed with a finger.after use, the pleasure channel can be easily pulled out of the outer shell and cleaned under running water. then it is air-dried on the integrated drying rod.black. total length 15 cm, insertion depth 14.5 cm, ø 1.3 cm. material: elastomed, phthalate-free according to eu regulation 1907/2006/ec.includes lubricant sample and instructions for use.