Features：● Specially designed for HUAWEI Ascend 4 D199 / RIO-AL00● Material: Metal frame and PC cover● Light weight, slim and perfect fit for your phone ● Aluminum construction design to protect your phone perfectly ● Precise cut openings: Allows easy access to all buttons, controls and ports without removing the per● Shock-absorbing, skid-proof, anti-scratch and anti-fingerprints● Ultra slim per case to show the perfect shape of your device● Fashionable design, easy to assemble and disassemblePay Attention Please!1.Please tear up the film in the back before using.2.Please install the metal frame on your phone first, and then push the cover along the gap from the bottom to top. Compatibility: HUAWEI Compatible Model: HUAWEI Ascend 4 D199 / RIO-AL00 Features: per Frame, Back Cover Material: PC, Metal Style: Solid Color Color: Black, Silver, Gold Package weight: 0.058 kg Product size(L x W x H): 15.7 x 8.0 x 1.0 cm / 6.17 x 3.14 x 0.39 inches Package size (L x W x H) : 16.0 x 8.5 x 1.5 cm / 6.29 x 3.34 x 0.59 inches Package Contents: 1 x Anti-scratch PC Back Cover Case with Aluminum Metal per Frame for HUAWEI Ascend 4 D199 RIO-AL00