I've used this a few times for business trips, but I'm selling it because I don't use it as often anymore. Product Description 【Carefully crafted and extremely durable】 Because it's something you use every day, we've reinforced the parts that tend to wear out, making it suitable for long-term use. Thick stitching ensures a structure that won't easily be damaged even when carrying heavy loads. 【Ample storage and functionality】 Packed with pockets designed for the essentials of a businessman. ・PC pocket that can accommodate up to a 16-inch PC (with protective cushioning) ・Inside, there are easy-to-access free pockets and a zippered pocket convenient for storing valuables ・Front pocket for quick access to essentials From laptops to small items, you can keep everything organized with just this one bag. Also, the gusset can be expanded from 12.5cm to 22.5cm, so you can use it even on days with a lot of luggage or during business trips. It also has a carry-on function, making it convenient for air travel. It's sure to be useful for travel and more. 【3-way type】 It can be used as a backpack, a handbag, or a shoulder bag with the included strap. You can use it according to the scene and style. 【Comfortable design with a focus on comfort and usability】 The back is made of flexible mesh fabric. The shoulder straps are wide, and the handle is also mesh, so the parts that touch your body won't get stuffy even during long hours of use, providing comfort. Please refrain from purchasing if you are sensitive to used items.