Now its time to keep your iPhone even more safe. Even a .50 caliber bullet cannot destroy it. Yes, a Japanese Firm called Marudai, has specially designed a bulletproof case for iPhone 4.
The case is so thick that, it has a one inch thick steel plate in the rear side. This protection comes at $648. It is available in both black and white. The iPhone is first placed in and the cover is bolted in all the four sides. This kind of cases will be useful to people working in the defense forces and even end users to protect themselves, in-case of an emergency.