TUDIA Slim-Fit CYGEN Dual Layer Protective Case for OnePlus One -  Matte Black Dual layer design fuses a premium quality polycarbonate outer layer with an enhanced Thermoplastic Features raised edges to protect the display screen from scratches. Compatible with the OnePlus One Smartphone. Precision-Cut cutouts perfectly align with all buttons, Snap on design allows for easy installation and multiple colors are available Utilizing two layers, this cover incorporates the top safety advantages of the case