Keep your data fully protected with StoreJet 25M2 portable hard drive. Featuring a 3-stage shock protection system that incorporates a vibration- absorbing silicone outer shell, a reinforced hard casing, and an internal hard drive suspension damper as a last line of defense, the StoreJet 25M2 is rugged enough to protect against excessive vibration or sudden jolts. Military-Grade Shock Resistance - Designed to meet U.S. military drop test standards. Advanced 3-stage shock protection system - Combines a rugged slip-resistant silicone outer shell, a reinforced hard casing, and an internal hard drive suspension damper. Easy-grip silicone rubber shell - Eco-friendly silicone is both soft to the touch yet easy to grip and less likely to slip and fall during travel.