The Pelican 1604 Waterproof 1600 Case with Dividers (Black) is an unbreakable, watertight, airtight, dustproof, chemical resistant, and corrosion proof hard case used to carry any kind of equipment that needs protection and organization. It is made of ultra-high impact structural copolymer that makes it extremely strong and durable. It has a 0.25" / 6.4 mm neoprene O-ring, four easy-open double throw latches that seal perfectly. It has a built-in automatic pressure equalization valve for changes in altitude or temperature. The case uses stainless steel hardware and has padlock protectors to provide added strength and extra security against cutting and theft. It is carried by a comfortable rubber over-molded handle.