The iSeries Case is constructed of ultra high-strength polypropylene copolymer resin for amazing durability. The interior features a custom foam base and convoluted foam in the lid for secure positioning and cushioning of your gear. A full gasket makes the 3614 waterproof, dust proof, and submersible (MIL-C-4150J). Features a molded-in hinge, patent pending "trigger release" latch system, comfortable, snap-down rubber over-molded cushion grip handle, and automatic ambient pressure equalization valve (MIL-STD-648C). Resistant to UV, solvents, corrosion, fungus, and impact damage (MIL-STD-810F). Interior dimensions: 36.5"L x 14.5"W x 5.5"D. Exterior dimensions: 39"L x 16.5"W x 6"D. Weight: 18 lbs.