NextKin Hard Faceplate Protector Cover Design Case For Nokia Lumia 521, Birds Of A Feather Made from a high quality, lightweight, and durable polycarbonate plastic. Comes in two plastic pieces that easily clip on the back and front of phone. Protects your phone from bumps and scratches. Simply snap on the cell phone. Your cell phone will have a brand new look. Unique design, beautiful image give you total access to all functionality and buttons.