BUY TO ORDER: The Tumi Alpha Expandable Organizer Laptop Briefcase that is perfect for carrying your office essentials. The briefcase features a removable sleeve for laptops up to 15", an expandable main compartment, and an accordion file section, providing exceptional versatility and organization. The exterior has two U-zip pockets, including one with a water-resistant lining for an umbrella or water bottle. The briefcase also has a padded tablet pocket, multiple pockets for accessories, and a key leash. The backpack is made of ultra-durable FXT ballistic nylon and weighs 1.434 kg. The dimensions of the backpack are 43 cm x 20.5 cm x 30.5 cm.