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 810G) that is resistant to corrosion and impact damage. Standard features include a molded-in hinge, padlock loops, patented trigger release latches, snap-down rubber over-molded cushion grip handle, an automatic ambient pressure equalization valve (MIL-STD 810G), and resistance to UV, solvents, corrosion, fungus, and impact damage (MIL-STD 810G). KEY FEATURES Ultra high-strength polypropylene copolymer resin UV, solvent, corrosion, and fungus-resistant (MIL-STD 810G) Complete gasket seal makes these cases absolutely watertight (MIL-STD 810G) Automatic ambient pressure equalization value (MIL-STD 810G) Resistant to corrosion and impact damage Continuous molded-in hinge Patented "trigger release" latch system Rubber over-molded cushion grip handle Locking loops to accept a customer-supplied lock SPECIFICATIONS Interior (L×W×D): 20.5" x 11.5" x 8" Exterior (L×W×D): 22" x 14" x 9" Lid Depth: 1.75" Bottom Depth: 5.25" Weight With Foam: 9.44 lbs Weight Without Foam: 7.97 lbs