TUMI Brown business bag, functional with multiple pockets. ● TUMI. Product number 26141B4 Expandable Organizer with Computer Briefcase Color: Brown Size: Main body: 30.5cm height, 40.5cm width, 14cm depth (expands to 19cm with a zipper). PC case: 25.5cm height, 35.5cm width, 5cm depth Accessory storage pouch Material: FXT Ballistic Nylon The back has a sleeve that can be passed through the handle of a carry-on bag, and it becomes a pocket when the zipper is closed. ● Purchased in San Francisco and brought back after unpacking. It has been stored unused since returning to Japan. ● About the shoulder strap. I lost the shoulder strap when I returned to Japan. I will attach a shoulder strap from another bag (please note that it is not a TUMI shoulder strap). I think the brown color is rare. Price reduced.