Jack Wolfskin Intercity 3-way Bag Used It's a sturdy and durable construction. There is a feeling of use, but it can still be used. The thick backpack straps are also designed to be easy to carry. In the 7th image, the fabric inside the zipper is different, so it looks whitish. There is a slight stickiness. The fabric inside the backpack strap storage in the 11th image is also whitish. Other parts have a different double-layered fabric, and there are no problems with storage. Although it looks reddish in places, there is no discoloration at all due to the lighting. Quoted from the website: A convenient three-way bag recommended by Jack Wolfskin, which can neatly store luggage for business trips! The large compartment on the rear side has a notebook PC case (with padding) and a clothing pocket (zipper closure), and there is also space for binder storage. The front side compartment is equipped with an organizer (for classifying and storing mobile phones, floppy disks, credit cards, and writing instruments). Both compartments open wide with long zippers, making the contents easy to see! [Carry it as a backpack, hang it from your shoulder as a shoulder bag, and hold the hand grip] Use it according to the situation. It is a compact business bag with a retractable carrying system. Body: 600D Armatec Plus / 600D Power Rip Bottom: 1000D Chaintech Weight: 1050g Size: Approximately 44x30x14cm Capacity: 25L