It can be used in a wide range of situations, from daily commuting to business trips! This is a business backpack with an expandable function that has a large capacity and ample storage capacity. Before expansion, it can store a total of about 27L of luggage, and after expansion, it can store a total of about 31L of luggage, so you can rest assured even if your luggage increases when you are out. It opens fully 180 degrees like a carry-on suitcase, so it is easy to take out luggage such as a change of clothes.

FEATURES:

• A business backpack with an expandable capacity that allows you to adjust the
• capacity according to the amount of luggage you have.
• You can move around comfortably even on rainy days or when traveling by bicycle.
• After expansion, it can hold a total of 31L of luggage.
• Cross belt to prevent luggage from shifting.
• 180 degree full open.
• Can hold laptops up to 15.6 inches.
• 2 (main air chamber trunk air chamber)
• Pocket (front)    1 zipper pocket with sorting sleeve, 1 zipper pocket
• Pocket (back)    1 zipper pocket
• Pocket (side)    2 open pockets
• Pocket (inside the air chamber) Main compartment: 1 open pocket for PC (fleece),
• 1 open pocket for tablet, 2 open pockets (mesh) Trunk compartment: 1 zipper
• pocket (mesh)
• Breathable air mesh material.
• Chest belt.
• Water-repellent surface fabric.
• Carry Belt.
• Some of the zippers are made by YKK for bags.

SPECIFICATIONS:

• Compatibility: Laptop Size: 15.6"
• Open pocket for PC:W25.5 x D2.7 x H36.5cm 
• Capacity    When not expanded: Approx. 27L
• Capacity    When expanded: Approx. 31L
• External dimensions: W31 x D21 x H47cm (When not expanded)
• External dimensions: W31 x D29 x H47cm (When expanded)Material: Polyester,
• Water-repellent finish (outer fabric)Extensions: Gusset Expansion
• Weight: .93kg