AISFA Waterproof Square Backpack for Business Laptop Bag with USB Charging 30L Perfect for Outdoor and Commuting Bottom Men's 17-inch PCs, Use, Port,

30L Large Capacity Backpack: Dimensions: 45cm x 33cm x 18cm, Weight: Approximately 0.85kg, Capacity: Approximately 30L. This backpack features a popular square box design with a wide gusset, providing excellent storage capacity for any occasion. Its smart compartments allow for ample storage for essential items like a 17-inch laptop, A4-sized documents, and a few days' worth of clothes. Measurements may vary slightly due to manual measurement. [Box Structure | Carry-On Function] This popular square-shaped backpack features a box structure that combines beauty and functionality. It's a favorite among skiers, campers, and outdoor enthusiasts. The business backpack features a carry-on function, and a dedicated luggage strap on the back allows you to secure the backpack to your suitcase for easy transport and prevents slipping. It also features a card pocket on the shoulder strap, allowing you to pass through ticket gates without being stopped. It's suitable for both men and women, and is convenient to carry, making it ideal for a wide range of uses, including business trips and travel. [SBS Zipper | Direct Zipper | PC Storage Space] ★SBS Zipper: Secure and secure even when carrying a lot of luggage. ★Back Zipper: Convenient direct zipper on the back for direct access to the main compartment. Very convenient for quickly retrieving documents and small items. ★Separate PC Storage Space: Thick cushioning protects your PC, tablet, and other items from shocks and vibrations. ★Key Holder: The main storage space has a key holder so you can easily find your keys. [Retroreflective | Daisy Chain] This AISFA backpack combines clever functionality with timeless design. It features an additional daisy chain that can be used to attach other accessories like a carabiner. The AISFA original daisy chain, combined with reflective material, ensures safer nighttime travel. The reflective material is visible up to 50m and strongly reflects car headlights, ensuring safety. Water-Repellent | 1600D Nylon: This backpack is made with high-quality 1600D nylon with a PU coating, making it abrasion-resistant, durable, and sturdy. The PU coating enhances its water resistance. The thick, firm Oxford (nylon) fabric is also wrinkle-resistant. This durable, waterproof backpack with a beautiful sheen protects the contents from light rain and dirt. *Water-repellent processing is different from waterproofing, so water may seep in if left in the rain for a long period of time. [USB Charging Port | Earphone Hole] The USB charging port on the side of the backpack not only transforms it into an elegant tote bag, but also allows you to charge your electronic devices while on the go, keeping you connected to the world and boosting your productivity. *Power bank not included. [Breathable | Decompression Back Design] The ergonomically designed belt and back are made with thick cushioning and highly breathable mesh fabric, reducing strain through a decompression effect. The wide S-shaped straps and chest belt distribute the load evenly across the shoulders and back, reducing pressure and preventing shoulder slippage. The comfortable fit ensures a comfortable, fatigue-free carry, even when worn for long periods of time. It also features an additional hidden anti-theft pocket for storing valuables and your cell phone! [Useful in a variety of situations] This backpack is perfect for daily commutes, camping, mountain climbing, business trips, travel, fishing, and more, thanks to its carry-on functionality. It's perfect for everyday use, as well as an emergency backpack. It's also a great gift for yourself, Christmas, Father's Day, birthdays, and more! Thank you for your understanding. This backpack is shipped folded in environmentally friendly packaging. To allow the backpack to return to its original shape, it should be left unpacked for a few days before use. Due to manual measurement, slight variations in size may occur. When opening the package, you may notice a smell from surface treatment chemicals or adhesives. This is unavoidable due to the nature of the material and processing. If you notice an odor, remove the backpack from the package, open the main opening, and let it air out indoors for a while. [AISFA Reliable Quality Guarantee] If you have any problems using this backpack, please feel free to contact us. When contacting us, please provide your order number and the product name of the item you purchased. *Intentional damage is not covered by the warranty. How to contact us: [Account Services] - [Order History] - [Contact Seller] [Size] 46cm x 32cm x 17cm. Weighing just 1kg, it's easy to carry. The many pockets make organizing your bag a breeze. Functional pockets include a computer pocket, cell phone pocket, and document pockets. Its storage capacity is outstanding! It can even fit a slim 17-inch laptop! It can easily store a change of clothes for 2-3 days, perfect for short trips!