Computer Backpack Promotional Zoom Checkpoint Friendly Computer Backpack Bongo Deluxe Computer Backpack Premium Backpacks for Work, School HP2214 Deluxe Computer Backpack Premium Backpacks for Work, School HP2214 Samsonite Executive Computer Backpack at Matthew Mendelsohn blog. Capacity: 20 35L Internal structure of the bag: ID bag, mobile phone bag, sandwich zipper bag, computer insert bag Applicable gender: neutral male and female Material: Polyester Lining texture: polyester Strap root number: double root Lifting parts: soft handle Outer bag type: inner patch bag Bag shape: horizontal square Color: light gray, blue, black Size: 15. 6 inch