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 continuous molded-in hinge, patent pending "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. 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 Patent pending "trigger release" latch system Rubber over-molded cushion grip handle Convenient two pull handle Built-in wheels Cubed foam interior Locking loop to accept a customer supplied lock Specifications: Interior Length 20.38 in / 51.77 cm Interior Width 11.44 in / 29.06 cm Interior Depth 7.50 in / 19.05 cm Carton Length 22.25 in / 56.52 cm Carton Width 14.75 in / 37.47 cm Carton Depth 9.50 in / 24.13 cm Lid Depth 2.00 in / 5.08 cm Base Depth 5.50 in / 13.97 cm Shipping Weight 14.00 lb / 6.35 kg Product Weight 11.70 lb / 5.31 kg Lifetime Warranty
Got one which was damaged on 2nd use; warranty got it replaced fast and with no strings. Very nice customer service. The second case has lasted me several years without any damage; I fly with it about once a month and check it without problem. Very sturdy; fairly light.