The vanguard supreme 46f hard case is virtually indestructible and has innovative features for unmatched strength and durability its o ring sealed waterproof to a depth of 5 meters165 feet airtight and built to withstand the most extreme conditions from 40c 40f to 95c203f anti slip rubber feet and a solid carrying handle offer extra durability inside are 2 x large layers of thick hexagon shaped foam which can be pulled out and tailored to fit your equipment plus 2 x thinner laye