Pelican 1450 case is unbreakable, watertight, dustproof, chemical resistant and corrosion proof. These are some of the features of this Pelican Protector case that offer total protection for your equipment. Pelican 1450 case is made of ultra high impact structural polymer 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 equalization after changes in atmospheric pressure. Your equipment can fit into the high density foam for total subjection and protection against impact, vibration or shock.