The Dukap ECHO Executive Laptop Backpack is made of durable 1680D Ballistic Nylon, perfect for heavy use and harsh weather. It has a fully padded computer sleeve for a 15.6" laptop, large multi-compartments, front access zipper, mesh water bottle pockets, and a premium organizer. The padded shoulder straps, back panel, adjustable sternum strap, and reinforced cable top handle provide added support and comfort. Features: Water Resistant Closure Type: Zipper Measurements: 5.1 Depth/Inches, 11.8 Width/Inches, 18.1 Length/Inches Base Material: 100% Nylon Care: Wipe Clean Country of Origin: Imported