Cockhead TwisterBlack glans massager with soft stimulation nubs. 7 vibration modes and 3 rotation speeds (left/right), easily controllable through push of the button. Total dimension: 24 cm, approx. penetration depth: 4 cm, 4 cm diameter. Material: silicone, ABS, free of phthalates according to EU regulation REACH. (Please order batteries separately: 3 x AAA/LR03/micro).