HICASER Luxury Metal Aluminum Bumper for Xiaomi Rice Mi 4 Case Detachable + Mirror Hard Back 2 in 1 Cover Ultra Thin Frame Silver Two parts of the case: Luxury Air Aluminum Metal Bumper + Mirror effect electroplate Plastic Back Unique design allows easy access to all buttons, controls and ports without having to remove the skin Comfortable, lightweight, sleek design that protects without adding bulk. Provides a comfortable grip,added protection of corners against accidental drops New Snap-on high-quality Case,keeps your cell phone safe and protected in style Please tear the cover protective film before use