"The Pretec i-Disk Bullet Proof USB 2.0 Flash Disk is a small, removable flash memory card features special data storage, protection and transmission. It possesses the convenient, portable, plug & play and ease-of-use USB port expansion characteristics. i-Disk Bullet proof with metal mechanical body design is proof against water, fire, car crash - even bullet shooting. The i-Disk Bullet Proof USB2.0 provides the most effective way to transfer files between the Flash memory and the host computer through USB 1.1/2.0 interface. It provides the answer for your personal connectivity to the world with its Bullet Proof and stylish design.