• 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 and IP67)
• Resistant to corrosion and impact damage
• Molded-in hinge
• Patented "trigger release" latch system
• Rubber over-molded cushion grip handle
• Stainless steel locking loops to accept a customer supplied lock
• Industrial strength injection molded pull handle with push button release
• In-line skate style wheels for easy transport
• TSA accepted key locking latches are available
• Customizable cubed foam interior

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. The unique features and dimensions of this model are outlined below.