SKB Cases 3i-1610-5B-D iSeries 1610-5 Waterproof Case with Dividers, Ultra High-strength Polypropylene Copolymer Resin, Resistant to Corrosion and Impact Damage, Continuous Molded-in Hinge 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) Padded dividers for protection and convenience Locking loops to accept a customer supplied lock