Material: Waterproof nylon, Polyester

Original size: 17.3"*11.8"*5.5"

Expanded size: 17.3"*11.8"*7.5"

Weight: 3.2LB

Accessory: detachable shoulder belt (34.3"-58.3" adjustable)

*Specifications that can be used in various ways: You can use it as a briefcase, shoulder bag or backpack in different situation. According to the users with different heights, the shoulder strap is adjustable from 34.3" to 58.3".

*Large capacity to deal with all business trips and commuting: The main storage space consists of the main pocket on the front side and the secondary pocket on the back side. It is a large capacity to accommodate business trip luggage of 1 to 2 nights.

*Currently fashionable central expansion: You can easily open the side zipper to expand the capacity of the bag to face sudden increased luggage.

*PC protective pocket: The pocket can accommodate 15.6" PC. Blue 3D cushion layer firmly effectively reduces shock and protects electronic products from broken.

*Anti-theft zipper design: Main storage room with PC pocket uses anti-theft zipper. Protect important mobile equipment and prevent unauthorized reading of personal information.

*Bottom dustproof pad: Two rubber dustproof pads are installed at the bottom. Feel free to put down the bag in any environment.