With a retractable extension handle Strong, lightweight open cell core with solid wall design. Cases are kept watertight through the use of a tongue and groove fit and a polymer o-ring. Easy open Double Throw latches. This foam is pre-cut which allows you to customize the interior by half inch cubes. Trace out the item you want in the case and simply pluck the foam out by hand, no tool required. O-ring seal. Automatic Pressure Equalization Valve balances interior pressure and keeps water out. 3 level Pick N Pluck(TM) with convoluted lid foam. Stainless steel hardware and padlock protectors.