The Pelican iM2050 Storm Case with Foam (Black) is an injection-molded case. 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 f...