The SKB 3I-1813-5B-N 3I Series Injection Molded Mil-Standard Waterproof Laptop Case (Black) is an injection molded ultra high-strength polypropylene copolymer resin case. It features a gasketed, water and dust-tight, submersible design that is resistant to corrosion and impact damage. The case is ATA category 1 rated. There is a continuous molded-in hinge, "trigger release" latch system, comfortable, snap-down rubber over-molded cushion grip handle and automatic ambient pressure equalization valve. It is resistant to UV, solvents, corrosion, fungus and impact damage and the cases are lockable with a customer supplied padlock. This case fits 13-15" laptop computers ad has an adjustable puzzle foam interior.