The Vanguard USA Supreme 27F Carrying Case (Black) is a virtually indestructible, engineered polypropylene case that is airtight and built to withstand the most extreme conditions. The O-ring sealed case is waterproof to 16.5'. It has a 3-piece foam set with a recessed area inside the case for the top foam and an automatic pressure equalization valve. There are thick, quick release, easy-open latches that lock in place, and steel-reinforced lock holders for use with padlocks for added security. The case is carried by a cushioned handle and has anti-slip rubber feet.