Men's 3-way Business Backpack Bag Delivered with trackable anonymous shipping. "Simple Design, 3-way Specification" This backpack not only allows you to "wear" it, but also features a shoulder strap that can be stored away, allowing it to function as a business bag, with "horizontal handle" and "vertical handle" options, making it a 3-in-1 backpack. This is a convenient and stylish 3-WAY specification. The simple and basic design without unnecessary decoration makes this a stylish business backpack. It goes well with suit styles, and it can be used in a wide range of situations, from everyday use to commuting to school, overseas business trips, and travel, and it also has the charm of making your outfit look fashionable. "Lightweight yet Large Capacity, with Expansion Function, Excellent Storage Capacity for Business Backpacks" Despite the backpack itself weighing only about 0.92 kg, you can expand the bag with a single zipper to store up to 35L. It can store A4-size files, documents, changes of clothes, cameras, and other necessary items, and can accommodate laptops up to 17 inches, making it useful for business trips and travel of about 2-3 days. Because the capacity can be changed, it has excellent functionality and can be used in many situations, both for work and for private use. "Comfortable to Wear! Backpack that Reduces the Burden on Shoulders and Lumbar Spine" The ergonomic shoulder strap design and soft cushion material on the back distribute the weight and fit the body, reducing the burden on the shoulders and lumbar spine, making it very comfortable to wear and feel light. Therefore, it is easy to wear for long periods of time and makes it possible to carry heavy items lightly. It is a must-have convenient item that is very useful for business trips, travel, commuting to school, and outdoor activities, where you tend to have a lot of luggage. "Easy to Use, Easy to Organize Backpack" There are many pockets suitable for storage, so you can sort, organize, and easily take out items without cluttering the bag. There are cushioned pockets specifically for laptops and iPads, so you can safely store important items in dedicated pockets and quickly take them out when you want them. "Water-repellent, Selected Fabric Used" The outer material of the backpack is made of high-density woven fabric, and the water-repellent treatment makes it difficult for rain and water droplets to enter, and the outer material is also resistant to scratches.