Unbreakable, watertight, airtight, dustproof, chemical resistant and corrosion proof. These are some of the features of this Pelican Protector Case that offers total protection for your equipment. It is made of Ultra High Impact structural copolymer that makes it strong and durable. Its exclusive 1/4" (6.4 mm) neoprene o-ring and ABS ‘easy-to-open’ latches seal perfectly and includes an automatic purge valve for quick equalization after changes in atmospheric pressure. It is equipped with heavy duty wheels, a retractable extension handle and multiple fold down carrying handles.