This case features 4 strong polyurethane wheels with stainless steel bearings, easy open double throw latches, an open cell core with a solid wall design, an o-ring seal, an automatic pressure equalization valve, fold down handles, stainless steel hardware and padlock protectors, 2 level "Pick N' Pluck" with a convoluted lid foam, and is watertight, crushproof,and dustproof. Comes without foam insert.