This black Pelican 1550 case is unbreakable, watertight, dustproof, chemical resistant and corrosion proof. It is made of a structural copolymer that makes it extremely strong and durable. Its exclusive 1/4" neoprene o-ring and ABS latches seal perfectly. It includes an automatic purge valve for quick equalization after changes in atmospheric pressure. Your equipment can fit into the high-density foam or padded dividers for total subjection and protection against impact, vibration or shock. A nameplate (included) can be personalized. This case is NATO-codified and tested to MIL C-4150J (Military Standard), IP-67 (Ingress Protection) and ATA (Air Transportation Association).