This 1300 case is unbreakable, watertight, airtight, dustproof, chemical resistant and corrosion proof. It is made of Ultra High Impact structural copolymer that makes it extremely strong and durable. Its exclusive 1/4"" (6.4 mm) neoprene o-ring and ABS latches seal perfectly and includes an automatic purge valve for quick equalisation after changes in atmospheric pressure. Your equipment can fit into the high density foam of the case for total subjection and protection against impact, vibration or shock.All trademarks are registered and/or unregistered trademarks of Peli Products, S.L.U., its parent, subsidiaries, and/or affiliates.