100% MEDICAL GRADE SILICONE - Made from the safest high quality material, itÍs latexfree, phthalatefree and hypoallergeni, Intelligent induction twitch - liner TPE particle material, induction thrust, gripping orgâsm The cup body is practical and sensitive to environmentally friendly silicone. It can be used with confidence, enjoy the massage, inhalation and vibration technology, and provide a deep experience and enjoyment. Double stimulation gives you an unprecedented feeling Fully Automatic Thrusting Stroker - Automatic thrusting provides mind blowing sensations,constant stroking motion that will satisfy your pleasure immensely!