More information· Crush proof · Waterproof - IP67 certified - Water resistant to 10m · Dust and sand proof · Corrosive proof · Pressure change proof · Temperature tolerance: -33 ° C / + 90 ° C · High-density plastic resin material (enriched polypropylene) · Stackable, even with models of different sizes · Available in various colors · Designed for military applications · Various places to put padlocks for maximum security · Valve to adjust the internal pressure in case of sudden changes in height or temperature · Neoprene gaskets for total tightness · Large and secure snap closures · Brackets to keep the case upright while the lid is open · Corrosion-proof reinforced metal hinges · Sturdy and ergonomic handle · Label for name and address · Orange and army green colors available on request · Interior available with several layers of micro-perforated foam for easy adaptation to any object or empty · Includes wheels, telescopic handle (trolley) and two side handles for easy transport.