Explorer cases are watertight, waterproof, sand-proof, dustproof and able to withstand harsh environments and shocks. Explorer cases are certified to withstand temperature rating from -33 to + 90 C°. They are the ideal means of transportation for sensitive devices such as electronics, camera gear, satellite communication equipment, GPS, computers, defense and military equipment. Made of a Copolymer Polypropylene compound. Feature jam-free purge valve and latches.