Stored after being used once or twice. The color is navy. A 3-way business backpack, perfect for daily commutes, and compatible with B4 files. The polyester fabric of the main body has a PVC coating on the surface, enhancing water resistance and durability, while adding smoothness and luster. ● Independent PC storage in the back compartment ● Compatible with 15-inch class PCs ● Pile fabric used in the interior of the storage areas to prevent scratches on PC surfaces, etc. ● L-shaped zipper allows PC to be taken in and out from both top and side ● Standard pockets for organizing small items in the main compartment's interior ● Convenient for storing folding umbrellas and PET bottles ● Small item storage pocket on the front top ● Pile fabric used inside for small item storage to prevent scratches ● Pen holder and zipper pocket inside ● Equipped with a "quick round pocket" for easy access even when carrying in front ● The most important point: consideration for comfort and body fit ● Position can be adjusted according to height ● Chest belt included & removable to reduce slippage ● Mesh material on the back for breathability and comfort ● Shoulder harness (backpack straps) can be stored inside ● Does not get in the way when using the handle or on overhead racks ● Can be fixed to a carry-on bag on the back ● Set-up function to prevent the bag from swaying while moving Functionality and storage capacity that you wouldn't imagine from the simple and slim body, which eliminates flashy decorations. This backpack is designed to be appreciated not only for bicycle commuting and walking commutes, but especially for commuting by train. Size W40 x H29 x D10 cm Weight 1,060g Capacity 14 liters Material Polyester 600dn surface PVC processing / PVC Function List 2 compartments / 3-way / B4 file storage / PC storage (15inch) / Set-up possible / Shoulder belt / Slim design / Water resistant