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" TSA Locking Latch system Reinforced locking loops for customer supplied locks Rubber over-molded cushion grip carrying handle and pull handle Convenient quiet-glide wheels Large accessory compartment Weights & Dimensions Exterior Length: 45.00 in / 114.30 cm Exterior Width: 17.25 in / 43.82 cm Exterior Depth: 6.50 in / 16.51 cm Instrument Body Length: 17.50 in / 44.45 cm Instrument Body Depth: 2.65 in / 6.73 cm Instrument Lower Bout: 13.10 in / 33.27 cm Instrument Upper Bout: 9.75 in / 24.77 cm Lid Depth: 1.50 in / 3.81 cm Base Depth: 4.00 in / 10.16 cm Shipping Weight: 22.00 lb / 9.98 kg Product Weight: 19.00 lb / 8.62 kg