... : Silicone 2.Non-toxic, eco-friendly, and durable 3.Anti-slip, anti-shock, and anti-shake Sticky Anti-Slip Mat Black for Cell Phone ... 'll not worry that your mobile phone, coin, MP3 or MP4 player, CD box, glasses, cigarette case, or other items placed in ... left on the surfacePrevents mobile phone, coin, MP3 or MP4 player, CD box, glasses, or cigarette case sliding and viberation and keeps ...