1nevan 40L Business Travel Backpack, Expandable & Lightweight, Waterproof TPU, Fits 15.6” Laptop, USB Charging Port, 3-Way Carry, Large Capacity Backpack for Work, Commute & Travel

【40L Expandable Large Capacity Backpack】Expandable 20L-40L design gives you the flexibility you need for any trip. Easily unzip to expand from a compact daily backpack to a spacious 40L travel bag. Fits laptops, documents, gadgets, and 2-4 days of clothing. Perfect for weekend trips, business travel, commuting, and carry-on flights. A great gift choice for men. 【Water-Resistant & Lightweight Material】Made of high-density 600D Oxford fabric with TPU waterproof coating, this backpack protects your belongings from rain and splashes. Weighing only 2.16 lbs (0.98 kg), it reduces shoulder strain during long commutes or travel. Ideal for college, work, gym, photography, and outdoor use. 【USB Charging Port & Anti-Theft Design】Built-in USB charging port allows convenient on-the-go charging (power bank not included). Hidden anti-theft pockets on the front and back keep valuables like wallets and passports safe. Designed for secure and worry-free commuting and travel. 【3-Layer Smart Organization System】Features three main compartments: a padded laptop compartment (fits up to 15.6” laptop), a spacious clothing section, and multiple organizer pockets. Keeps your items neatly arranged while protecting electronics with shock-absorbing padding and durable zippers. 【Comfortable & Ergonomic Design】Breathable back panel, reinforced shoulder straps, and chest strap provide maximum comfort. Reduces pressure on shoulders and back during extended use. Perfect for commuting, travel, work, and outdoor activities.