Check these bins out. The polycarbonate kid can take some serious abuse. Have hit it many times with a rubber mallet and still holds up. The inside of the lid has a gasket that provides a waterproof seal. The latches double as a hinge so it can be opened on either side. Also has points to allow for strapping in the back of a truck or to a cargo rack. Pad locks can be used to lock these as well to ensure contents are secure.