High Water Repellency and Durable Material This backpack is made from highly water-repellent material, offering strong waterproofing capabilities to handle sudden rain. Water droplets on the surface bead up like lotus leaves, keeping the contents inside dry. Additionally, it uses durable material that is resistant to friction and scratches from daily use, maintaining its quality over a long period. Spacious and Multifunctional Storage This backpack is a large-capacity 17-inch size, featuring a dedicated padded pocket that can comfortably store a 15.6-inch laptop. It also has seven other functional storage spaces, allowing you to organize and carry everything from stationery to electronic devices and personal items. The internal pockets are designed for ease of use, making it simple to access frequently used items. Built-in USB Charging Port The integrated USB port works with an external battery, allowing you to charge your smartphone or tablet on the go. This ensures your devices are always ready for use during business meetings or while traveling, reducing stress during outings. Comfortable Fit and Breathability The back and shoulder straps are made of high-quality mesh material, designed for breathability and comfort. This prevents your back from getting stuffy even during long periods of use and reduces strain on your shoulders. It provides comfort even when carrying heavy loads, making it a great companion for business and travel. Versatile and Travel-Friendly Design This backpack can also be used as a handheld travel bag and can store all the necessary items for a 3-5 day trip. It also features a strap to secure it to a suitcase, allowing for smooth movement at airports and stations. Its design is suitable for all situations, from business to leisure.