[AISFA] Men's Backpack, Square Backpack, Waterproof, Fits 17-inch Laptops, Business, with USB Charging Port, 30L Capacity, for Outdoor Travel, Disaste

【30L Large Capacity Backpack】Size: 45cm*33cm*18cm Weight: Approx. 0.85KG Capacity: Approx. 30L This popular box-shaped, square-shaped backpack with a wide gusset offers excellent storage capacity, making it perfect for any occasion. It can easily fit a 17-inch laptop, A4 documents, and 2-3 days' worth of clothes, and features smart, well-organized pockets. Please note that there may be slight errors due to manual measurement.

【Box-Shaped Structure | Carry-On Function】This backpack combines beauty and functionality, featuring a popular box-shaped, square design. It's a favorite among skiers, campers, and outdoor enthusiasts. The business backpack features a carry-on function; the dedicated luggage strap on the back allows you to secure the backpack to a suitcase for easy transport, eliminating worries about it slipping. Additionally, there's a card pocket on the shoulder strap, allowing you to pass through ticket gates without stopping. Suitable for both men and women, it's convenient to carry and ideal for business trips and travel.

【SBS Zipper | Direct Access Zipper | PC Storage Space】★SBS Zipper: Safe and secure even when carrying a lot of items. ★Back Zipper: Convenient back zipper provides direct access to the main compartment. Very convenient for quickly retrieving documents and small items. ★Separate PC Storage Space: Thick cushioning protects your PC or tablet from shocks and vibrations. ★Key Holder: The main storage space has a key holder, allowing you to easily find your keys.

【Reflective | Daisy Chain】 The AISFA backpack combines smart functionality with a timeless design. It features an additional daisy chain that allows you to attach other accessories like a carabiner. The AISFA original daisy chain and reflective material ensure safer nighttime travel. The reflective material is visible up to 50m at night, strongly reflecting car headlights for added safety.

【Water-Repellent | 1600D Nylon】 The backpack uses PU coating and high-quality 1600D nylon material, making it wear-resistant, durable, and sturdy. The PU coating enhances its water resistance. The thick, firm Oxford (nylon) fabric has the advantage of being wrinkle-resistant. This waterproof backpack is durable yet has a beautiful sheen, protecting the contents from light rain and dirt. *Please note that water-repellent treatment is different from waterproofing, and water may seep in during prolonged exposure to rain.