iPhone6/6S Plus(5.5inch) Case, Aluminum Metal Frame Multi-layer Protective Phone Cases for Apple iPhone6/6S Plus by Youzpin Material: aviation aluminum frame precision sand blasting heat faster, 9H Tempered glass back cover, strengthen the hardness to prevent scratch and collision Advantage: signal bit precision openings, real test data show that the signal is not weakened; sponge + flannel Multi-layer Protective Assembly:structureisframe+backCover, slideswitchdesignpatent,avoidlockingscrewtroubles,easyaccessibility Design: Innovative 3D curve design, so that the metal can also have female generally S-shaped body, feel comfortable. Application: the aluminum phone cases is6.443.310.37inch just compatible with iphone 6/6S plus(5.5inch)