SKB iSeries 2011-7 Waterproof Wheeled Case (with cubed foam), Black Injection molded ultra high-strength polypropylene copolymer resin case ATA (Air Transport Association) category 1 rated MIL-STD-810F Military specification for resistance to UV, solvents, corrosion, fungus and impact damage MIL-STD-C-4150J Military specification for waterproof and water-vapor proof cases for transit and storage IP67 Military specification for protection against dust and against the effect of immersion between 15cm and 1.0 m