The vanguard supreme 46f carrying case is virtually indestructible the rugged vanguard supreme series hard cases have innovative features for unmatched strength and durability rrthis case is o ring sealed waterproof up to a depth of 165 feet5 meters airtight and built to withstand the most extreme conditions 40f 40c to 203f95c the supreme cases are great for airline travel with an automatic pressure equalization valve and ability to support up to 265 lbs120 kg of exterior weigh