Super low-noise straight line vibrator with twisted shaft for a better feel. 7 vibration modes adjust easily by the push of a button. Separate on/off button. Blue. Size: 17.5 cm, 3.5-4 cm diameter. Material: silicone, ABS, free of phthalates according to EU regulation REACH. (Please order batteries separately: 2 x AA/LR6/mignon).