Sony Xperia Z5 Premium Case, 3D Curved Surface CNC Aviation Aluminum Alloy Metal Scratch-Resistant Built-in Sponge Drop Protection Bumper Frame Shell for Sony Xperia Z5 Premium Gold Perfectly design for openings on both sides for better signal reception which minimize the impact of the metal frame's influence to signal! It is made of real aviation aluminum which is very hard & lightweight. Donot add any bulky to your phone & anti-shock. The bumper is CNC machined from a solid block of aircraft grade Metal Slider, with great drop protection. CNC is really amazing & perfect technology. The process of the original Anodic oxidation color is long-lasting and not easy to lose. Coming with free screws and screwdriver. Smooth surface provides very good touch feeling & precise cutouts fit your phone perfectly. The case is 0.2mm thicker than your phone avoiding cellphone reach your desk and protect it from scratch. Innerside sponge fully protects your phone from shock and daily use. The perfect matched buttons can give you the very same touch feeling with the original phone.Retail package is a good choice for a gift.