SKB 3I Series Injection Molded Equipment Case - 20 x 15 - Inch, Empty 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 20 1/2" x 15 1/2" x 10" w/wheels empty Patent pending "trigger release" latch system and molded-in cushion grip handle Empty case w/wheels and pull handle. Internal Dimensions: 20" x 15" x 10"; Weight: 17 lbs. Waterproof and Dust tight design. Trigger release latch system. Excellent general purpose case ready for customization to your specific needs.