iPhone 4S and 4 Gild Design aluminum metal cases Chessboard back are processed to fit to the shape of your iPhone. This is probably the most unique rock solid case you have ever found! It appears as bumper looking over sides and a solid case at the back, yet you will feel that you haven't phyisically modified your iphone in anyway!
The case surface is processed with alumite on top of hard metal material to increase its strength and durability

Name: Zigzag Ichimatsu for iPhone 4S/4
Material: Solidified Aluminium A2017S (body), Stainless (bolts)
The material is very strong vindicated by the manufacturers crash test
The aluminium case box includes all the parts and tools that you will need to start using

Features

Unique design – case cum bumper
No signal loss because It does not entirely cover the antenna side (coverage area dependent)
Made out of pure material duralumin A2017S produced by HURUKAWA-DENKOU.
It is lighter and stronger
Stainless or titanium bolts for fixing corners
The case has low rebound resistant silicon sheet rubber on its inside
The inner silicon sheet rubber performs a role as a cushion and protect your iphone 4 from strong shocks