Time is money and simple, easy access means you'll never spend any of your hard-earned cash looking for stuff. Rain Defender (R) durable water repellent material to 1200 denier polyester durable base. Large main computer compartment holds your books, files, and most 17" laptops. Includes padded pocket for your iPad or tablet. Zippered pocket and open pocket in front of main compartment for additional storage. Durable side release buckle closure. Adjustable shoulder strap with padding.