Strong polyurethane wheels with stainless steel bearingsWatertight, crushproof, and dustproof3-piece foam setAutomatic Pressure Equalization Valve - balances interior pressure, keeps water outEasy open Double Throw latchesFold down handlesO-ring sealOpen cell core with solid wall design - strong, light weightStainless steel hardware and padlock protectorsINTERIOR (L x W x H) 50.50" x 13.50" x 5.25" (128.3 x 34.3 x 13.3 cm)
