* This Waterproof Phone Case protects your Coolpad Cool 30i from Water and sand. * It is good idea to put your Coolpad Cool 30i in this case when you go to waterpark, swim or beach. * Waterproof Slide Seal System ensures your Coolpad Cool 30i is fully protected inside the waterproof mobile phone case. * The transparent front is another great idea, the touch screen of you Coolpad Cool 30i still works after you put it into the case. * This case came with lanyard and armband, you can select a better to way to bring your Coolpad Cool 30i.