Laptop Backpack Viagdo Waterproof Lightweight Computer Rucksack For Up To 15.6 Inch Notebook Black Main material: This backpack is made of durable water-resistant 1680D ballistic nylon. It's a waterproof backpack. Multiple storage compartments:large capacity, spacious space design, provides divider pockets for laptop, pens, pencils, cellphone, and anything else you need. Backpack Dimensions: 46*32*14cm( 18.1*12.6*5.5inch), Load Capacity: 8-10kgs. (Up to most 15.6" Laptop.) External draw-bar pad: can place the backpack on your luggage while traveling, ease your burden. Adjustable shoulder straps and heavily padded, comfortable to wear.