ESR Charming Series Hard PC Back Cover Snap on Case for Nokia Lumia 1520 (Blue) Impeccable molding and cuts form a perfect fit which easily snaps on or can be easily removed along with leaving every port and connection available High quality polycarbonate material is environmentally-friendly, flexible and exceedingly durable so you dont have to worry about cracks or dangerous chemicals Each rim has a smooth shape preventing any scratches or damages to your Lumia 1520 when cover is put on or removed