R- Just Gundam Shockproof case For iphone 5s outdoor metal shell for aplple 5s aluminum back cover and aluminum bumper(black) With very cool style design, attached the cramp ring and exquisite belt, perfectly suitable for using at outdoor. Perfectly suitable for iPhone 5/5s, with the compact portable design High quality and durable, adopt the imported top-level aircraft aluminum to make, and assure never corroding, uttermost reduce the effect to the signal The four angles of Bumper case adopting the adding wright design, which can assure that the corner of the case will firstly fall to the ground when drop from the sky, rather than the screen. Selecting and using the top-level aircraft grade aluminum, uttermost reduce the effect to the signal. Please attention to the other vendor's inferior product will directly affect the signal of the call