The Vanguard Supreme 53F Hard Case is virtually indestructible and has innovative features for unmatched strength and durability. It’s O-ring sealed, waterproof to a depth of 5 meters/16.5 feet, airtight and built to withstand the most extreme conditions from -40°C/-40°F to 95°C/203°F. Because of its automatic pressure equalization valve the Vanguard Supreme case is great for airline travel. Anti-slip rubber feet and a solid carrying handle offer extra durability. Thick, quick-release latches lock in place and steel-reinforced lock holders are great for use with padlocks for added security. The Vanguard Supreme 53F Hard Case has dense, customizable hexagon-shaped foam for an extremely tailored, custom fit for gear.