The Pelican iM2750 Storm Trak Case with Foam in Black is an injection-molded case made of HPX high-performance resin, that is virtually unbreakable, dent and shatter resistant. It is tough, rugged, lightweight, air and watertight. There is a permanently attached Vortex valve that automatically adjusts air pressure without letting in water, and won't unscrew from the case. Press & Pull latches open with the push of a button, yet stay closed securely under impact or stress. The case has unbreakable molded-in hasps that allow the addition of standard-size padlocks. It has hinges with integrated feet that hold fast under impact, and create a flat surface for upright stability. You can carry it with the three double-layered, soft-grip, solid-core handles, or roll it with the lightweight and retractable telescoping handle and rugged in-line wheels.