This Peli case 1150 is unbreakable, watertight, airtight, dustproof, chemical resistant and corrosion proof. These are some of the features of this Peli 1150 case 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 high density foam of the case for total subjection and protection against impact, vibration or shock.An important feature of this Peli 1150 is that it is with its solid wall design it makes it very strong and also lightweight.All metal rings for the padlocks are made from stainless steel for extra protection for your valuable equipment.