Large Disaster Prevention Sports 17 Inch 2 Layer Expansion PC Business Square Laptop Back 30L with USB Charging Commuting [AISFA] Men's Backpack,

---------------------------------------------------------------------- [30L large capacity super rucksack now available! ]Size: 45cm x 33cm x 18cm, weight: approx. 0.9 KG, capacity: approx. 30L. This backpack has a popular box structure and square design with a wide gusset, and has excellent storage capacity, making it perfect for any occasion! There's plenty of room for everything you need, including a 17-inch laptop, A4-sized documents, and a few days' worth of clothes. It also has smart sorting pockets for neat organization. Please note that there may be slight errors due to manual measurement. [BOX 3D structure x carry-on function, extremely easy to use! ] This backpack is a square-shaped backpack with a popular BOX structure that combines design and functionality. It is also used for skiing, camping, and other outdoor activities. The model, which is also useful in business situations, is equipped with a carry-on function. You can easily secure it to your suitcase with the baggage belt on the back for smooth movement! No need to worry about it falling off. Furthermore, the shoulder part has a card pocket, allowing you to pass through the ticket gates smoothly. It is convenient for both men and women to carry and can be used in a wide range of situations such as business trips, travel, and daily use. [SBS zipper x direct zipper x PC storage space, full of functionality! ]★SBS zipper: You don't have to worry about it getting damaged even if you put a lot of luggage in it. It is an extremely reliable and safe choice. ★Direct back zipper: Comes with a convenient back zipper that allows direct access to the main room. You can quickly take out documents and small items, so it's super convenient for business situations and daily life! ★Separate PC storage space: Thick cushioning material protects internal PCs and tablets from shock and vibration. ★Key chain: There is a key chain in the main storage space, so you can quickly find your keys. [Retroreflective x daisy chain, both safety and functionality! ] AISFA backpack is a masterpiece that combines functionality and design in a well-balanced manner. An additional daisy chain is included to attach other accessories, such as carabiners, for even more versatility. By combining AISFA's original daisy chain and retroreflective material, you can feel safe moving at night. The reflective material strongly reflects car lights at a distance of up to 50m, ensuring your safety. [Water repellent × 1600D nylon, durable and beautiful waterproof performance! 】This backpack is made of PU coating and high quality 1600D nylon material, which is wear-resistant and durable, making it very durable. The PU coating also greatly improves waterproof performance. The thick and firm Oxford (nylon) material is wrinkle resistant and has both durability and a beautiful luster. It firmly protects the contents of the bag from light rain and dirt. However, please note that water-repellent finishing is different from waterproofing, and water may seep in if exposed to rainwater for a long time.