FENRUIEN Men's Business Backpack, Large Capacity, Waterproof, Fits 17-inch PC Laptop, Expandable Gusset, USB Charging Port, Black, Shape-Resistant,

[42L Large Capacity, Carry-On Compatible] Before expansion: 45 x 31 x 23cm / After expansion: 45 x 31 x 29cm. The capacity is 32-42L, meeting most airlines' carry-on standards. Its four-layer design includes a main compartment, a laptop pocket, and an expansion compartment. The main compartment opens wide like a suitcase, allowing you to neatly store a four-night stay's worth of clothes. Its storage capacity rivals that of a suitcase. When you're not carrying much luggage, you can adjust it to a more compact size using the side buckles. [Shape-Resisting Design] This unisex backpack features a streamlined silhouette. It combines practicality with a stylish design, making it ideal for everyday use. The gray interior allows for smooth access to your belongings. The easy-to-use pockets also help keep things organized. Made with lightweight and durable materials, it's perfect for a wide range of uses, including commuting, school, travel, and business. The front is made of microfiber leather-like material, giving it a simple yet elegant look. [USB Charging Port, Expandable, 180° Opening/Closing] Simply connect the USB cable to the port on the backpack to charge your device while wearing it. Made with durable fabric, it's also suitable for business situations. The metal double sliders are smooth, durable, and long-lasting. The backpack has a 7cm expansion capacity and a dedicated PC compartment. The thick, shock-resistant fabric provides excellent protection for laptops up to 17 inches. The large capacity allows you to store an umbrella, A4 documents, and 3-5 days' worth of clothes. It's designed for both business trips and everyday use. [Attention to detail] ①Large capacity with expandable function, so you can adjust the capacity as needed. ②Lightweight at approximately 1.2kg despite its 42L capacity. ③Ergonomic design reduces strain on the shoulders. ④Plenty of storage pockets for easy organization. ⑤Card pockets on the shoulder strap for easy access to cards. ⑥Adjustable shoulder strap. ⑦Hidden anti-theft pocket with zipper. ⑧Strap on the back for attaching to a suitcase. ⑨Key ring on the front pocket for easy access to keys. [New for 25th Year] Introducing this unisex, multi-functional backpack that combines functionality and design. Its stylish appearance and practicality complement a variety of styles, from simple to unique. Its large capacity and lightweight design makes it ideal for a wide range of occasions, from school and work to business, shopping, day trips, outdoor activities, and sports. The multi-pocket design, designed for ease of use, makes it easy to organize your belongings, making this a versatile backpack perfect for everyday use.