The 17-inch AlienArmor Notebook Case from Alienware® features a rigid aluminum outer shell in a brushed aluminum finish. It offers protection for your valuable system with easily adjustable inserts and plenty of space for your PDA, cellular phone, files and documents. Stylish and rugged, this notebook case is designed to give your notebook computer protection from the catastrophic impact of a fall. It is a combination of hard outer shell and a padded foam interior made of nylon. The patented Corner Protection System surrounds the edges of your notebook with multiple layers of foam, insulating it from the outer shell of the case. It features a patented Foam Spacer design that is adjustable to custom fit virtually any slim laptop or notebook computer with a 14"-17" screen (measured diagonally). Included velcro-backed foam spacers are used to re-size the inside of the case, matching it to the size and shape of your laptop and ensuring a snug fit, while the velcro-backed central strap holds your laptop securely