3I Series injection molded waterproof cases are constructed of ultra high-strength polypropylene copolymer resin and feature a gasketed, waterproof and airtight, submersible design (IP67) that is resistant to corrosion and impact damage. Its molded-in hinge, patented "trigger release" latch system, comfortable, snap-down rubber over-molded cushion grip handle, secure stacking, and automatic ambient pressure equalization valve (MIL-STD-648C) all contribute to its military grade design.

•  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
•  Molded-in hinges
•  "Trigger Release" latch system
•  Accepts TSA replacement latches
•  Rubber over-molded cushion grip handle
•  Locking loops to accept a customer supplied lock
•  Convenient Pull handle with durable two inch wide wheels