Pretec i-Disk Bulletproof ruggedized USB 2.0 flash drive is constructed of a rounded double layer of metal protection. i-Disk Bulletproof was build to be tough and was constructed to be resistant to water, fire and any "heavy" impact. i-Disk Bulletproof was subjected through many extreme environments testing its durability even on a shooting range to finally demonstrate that the product is truly bulletproof. i-Disk Bulletproof is all you need to secure your data.