Durable Transformer Style Diagonal Aluminum Bumper For iPhone 4S - Blue Crystal Packing Box: In order to match this high quality iPhone case, a specially designed crystal packing box is allocated. Supreme material: Made of aircraft grade aluminum alloy, which explains the sturdiness of this iPhone case cover. Unique design: Transformer style iPhone case with diagonal design, absolutely big love for transformer fans. Cool bodyguard: Your iPhone is free from the annoyance of scratches and crashes once protected by this cool accessory. Appealing free offer: One extra screw and disassembly tool are included.