SKB 3R2817-10B-EW Roto-Molded 28 x 17 x 10 Inches Waterproof Case with TSA Latches and Wheels Superior roto molded strength and ergonomic design Impenetrable, yet lightweight LLDPE shell for maximum impact resistance 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)