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 14 64 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