Durable nylon outer. Size: 12 x 5 x 16 15.6" laptop compartment. Two netted side pockets for those items you need to reach quickly. Three exterior zippered compartments. The Kingsons K-Series Laptop Backpack offers contemporary styling and functionality, and is sure to get you noticed! The backpack features a large inner compartment with a dedicated, padded 15.6" notebook compartment as well as two inner pockets for organizing smaller items. Additional zippered compartments offer extra storage space and pockets for organizing your stationery and daily necessities. The two netted side pockets are perfect for a water bottle or other easy access items. The back of the bag also features a handy carabiner clip for keys or other important items. The padded back and adjustable shoulder straps ensure proper lumbar support and comfort during long periods of wear. What's in the box Bag