SKB 3I-2217-8B-C Mil-Std Waterproof Case with Cubed Foam Ultra high-strength polypropylene copolymer resin UV, solvent, corrosion and fungus resistant (MIL-STD-810F) Complete gasket seal makes these cases absolutely watertight (MIL-STD-C-4150J) Automatic ambient pressure equalization value (MIL-STD-648C & IP67) SKB Mil-Std Waterproof Case 22" x 17" x 8" w/Cubed Foam Patent pending "trigger release" latch system and molded-in cushion grip handle