iSeries 1610-10 CaseSKB iSeries Injection Molded Mil Standard Waterproof Cases are molded of ultra high strength polypropylene copolymer resin and feature a gasket sealed, water and dust tight, submersible design (MIL C 4150J IP67). Standard features also include a molded in hinge, patented trigger release latch system, comfortable, snap down rubber over molded cushion grip handle, automatic ambient pressure equalization valve (MIL STD 648C), and resistance to UV,