Virtually indestructible the rugged vanguard supreme 37d is an airtight and o ring sealed hard case designed to hold and protect two dslr cameras with attached lenses up to four extra lenses flash unit and accessories the supreme 37d is waterproof up to 5m and built to withstand the most extreme conditions 40f 40c to 203f95c supreme series is great for airline travel and equipped with an automatic pressure equalisation valve anti slip rubber feet and a solid carrying handle to off