The black Watertight 100839 Hard Case from Condition 1 is an airtight, hard shell case, which is waterproof to 3' for 30 minutes. It's O-ring sealed and designed to withstand the rigors of extreme conditions while traveling or in the field. You can open it with two spring latches, which feature lock holders for an optional padlock. There is an auto pressure equalization valve, and the interior contains hexagonal-shaped foam that allows you to customize your contents for an exact fit. The case is carried by a durable top grip handle, and features finger grooves on each side that make lifting easy. The case is stackable, which comes in handy while traveling with multiple cases.