Features super-light proprietary HPX polymer automatic purge valve - keeps water and dust out while balancing Air pressure Crushproof dustproof with a watertight O-ring gasket and an automatic purge valve that balances Air pressure inside the case DIMENSIONS Exterior (LxW×D) 20 12 x 12 02 x 8 56 inches Interior (L×W×D) 18 70 x 9 40 x 7 80 inches Features rolling stainless steel bearing wheels extending trolley handle double-throw latches stainless steel hasps rubber overmolded handles and a card holder for front or side placement Comes with Pelican Lifetime