Iphone 5s Silicone Mobile Phone Shell Protective Case Replacement Bumper (Transparent White) The latest application of bionic engineering, automatic hippocampal buckle design bring you unprecedented experience! Super one-click convenience! Germany imported CNC numerical control; Integrated cutting of aluminium magnesium alloy. Precise cutouts for the iPhone 5S pin connector, headphone jack, volume and speaker make sure every protective frame border controlled error within 0.01%. fits snugly around the edges of your iPhone and gives it protection. Using EVA insulation cushion material which effectively avoid the formation of the closed loop antenna and absolutely wont affect the phone signal. Anodize oxidation process against color fading.