The Pelican 1495 Laptop Computer Case with Foam in Black is a watertight, dustproof and corrosion-proof case with a slim attache design. It is made of Ultra High Impact structural copolymer polypropylene that makes it extremely strong and durable. It has an Automatic Pressure Equalization Valve for changes in altitude or temperature. It can be carried by a comfortable rubber over-molded handle, or removable, padded, ergonomic shoulder strap.