Samsonites most affordable full sized notebook carrying case.600 Denier Polyester - Is a man-made fiber produced by the polymerization of the product formed when an alcohol and organic acid react. Loosely defined, denier (D) refers to yarn size: the larger the denier, the bigger the yarn.Laptop computer compartment - Is a built-in padded compartment designed to carry your laptop computer and help protect it from shocks while traveling.