The Pelican 1200 Case is watertight, crushproof and dust proof. It is made of Ultra-High Impact structural copolymer that makes it extremely strong and durable. It has a neoprene o-ring, easy-open double throw latches that seal perfectly. It includes an automatic pressure equalization valve for quick equalization after changes in atmospheric pressure. The Pelican 1200 offers an interior storage area of 9.25 X 7.12 X 4.12. The case lid is lined with convoluted foam, with Pelicans Pick N Pluck foam occupying the middle of the case and solid foam lining the bottom. The middle foam must be cut out to accomodate the shape of what you wish to put inside the case.