Specifications: 1. Material: Metal + PC 2. Colors: Black,Sliver,Gold,Rosy Gold. Features: 1. Design to perfect suitable for One Plus X. 2. Dual color matching design, always distinguished your smart phone. 3. Aluminum metal frame with circular arc design, protect the frame of your phone from accidental drops and bumps. 4. Push-pull mirror back cover design, easy to lock, without any screws, added for you more convenience. 5. With mirror function on the back, fashionable and convenient, let you tidy yourself up at anywhere. 6. A small amount of sponge added inside the metal frame, protect the edge of your phone from scratches. 7. Ultra-thin, light weight, adds no bulks to your smart phone. 8. Precision hole design, reserved for switch button, volume buttons and various functional sockets, no need to remove the frame while using your phone. 9. A small view window design on the back, is to show your phone's logo, make it more special. 10. Easy to insert and remove. Package includes: 1 x Hybrid Frame.