SKB iSeries Injection Molded Mil-Standard Waterproof Cases are molded of ultra high-strength polypropylene copolymer featuring a gasket sealed water and dust tight submersible design that protects from corrosion and impact damage. Features a molded-in hinge patented trigger release latch system comfortable snap-down rubber over-molded cushion grip handle automatic ambient pressure equalization valve to protect from solvents corrosion and impact damage.