iSeries waterproof cases are the perfect solution for storing and transporting your delicate electronics, A/V equipment, microphones, mixers, cables, computers or percussion and music accessories. Most sizes are available with a variety of interiors and the 3i-2011-7 is now available with fold out dual trays that are perfect for organizing and storing all types of accessories. Features: Built-in pull handle and wheels Ultra high-strength polypropylene copolymer resin 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) Resistant to corrosion and impact damage Continuous molded-in hinge Patented "trigger release" latch system Rubber over-molded cushion grip handle Locking loops to accommodate a customer supplied lock Dual adjustable trays with covers