This Peli 1550 case is again unbreakable, watertight, airtight, dustproof, chemical resistant and corrosion proof. These are some of the features of this Peli case 1550 that offers total protection for your equipment. It is made of Ultra High Impact structural copolymer that makes it extremely strong and durable. Its exclusive 6.4 mm neoprene o-ring and ABS latches seal perfectly and includes an automatic purge valve for quick equalization after changes in atmospheric pressure. Your equipment can fit into the Peli 1550 with either high density foam or padded dividers for total subjection and protection against impact, vibration or shock.