Tough, Rugged and Lightweight Airtight, Watertight, Impervious to Mother Nature Dent-resistant, Shatter-resistant, Virtually Unbreakable Guaranteed for Life Safe and Secure Six Press & Pull Latches: Unique Press & Pull latches open with the push of a button, yet stay closed securely under impact or stress Telescoping Handle Two Padlockable Hasps: Unbreakable molded-in hasps, allow you to add standard size padlocks, offering another measure of security Vortex Valve: Permanently attached Vortex valve automatically adjusts air pressure without letting in water and won't unscrew from the case Flush Powerful Hinges: Unique hinges with integrated feet hold fast under impact and create a flat surface for upright stability Lightweight Strong HPX Resin Three Double-layered, Soft-grip Handles In-line Wheels Dustproof