SKB iSeries Injection Molded Mil-Standard Waterproof Cases are molded of ultra-high-strength polypropylene copolymer resin, featuring a gasket-sealed, water- and dust-tight, submersible design (MIL-STD 810H) that is resistant to corrosion and impact damage. Standard features include a molded-in hinge, padlock loops, Trigger Latch® System, snap-down rubber over molded cushion grip handle, automatic ambient pressure equalization valve (MIL-STD 810H), and resistance to UV, solvents, corrosion, fungus, and impact damage (MIL-STD 810H).