Waterproof and Dustproof, IP67 Rated. Includes a watertight seal around the lid. Features an automatic pressure release valve. Opens easily via the dual throw latches. Soft grip, load tested carrying handle. Additional padlock holes. Features a stackable interlocking system. Thick body material construction. Retractable handle to transport heavier loads. Secures to the Slimline II Rack using Corner Brackets - by Front Runner and Stratchits - by Front Runner.