【Large Capacity 30L & Super Organized with 7 External Pockets!】 Boasting a large 30L capacity, this backpack features multiple functional compartments and 7 external pockets. The main pocket is designed to be spacious, easily accommodating a laptop (up to 15.6 inches), tablet, documents, clothing, and more. The multiple external pockets allow for quick access and organization of water bottles, folding umbrellas, smartphones, wallets, and small items! It can smartly hold everything, whether used as a travel bag or a business backpack for commuting to work or school. 【Highly Waterproof & Stain-Resistant with High-Density Polyester!】 The surface is made of high-density polyester fiber fabric. Furthermore, it is treated with a special waterproof coating, providing excellent water repellency. Even in sudden rain or minor spills, water droplets will bead up and roll off, protecting the contents inside. It is also stain-resistant, and can be easily cleaned with a wipe (※Not completely waterproof). This backpack combines the functionality of a waterproof bag with the everyday convenience of stain resistance. 【3D Mesh & Comfortable Design to Reduce Burden!】 The back and shoulder straps feature breathable 3D mesh and cushioning. The excellent breathability effectively wicks away sweat from the back and shoulders, providing a comfortable wearing experience even after carrying it for a long time. The ergonomic shape and cushioning enhance the fit to the body and reduce the burden. It is designed to be less tiring for commuting, travel, and outdoor activities. This backpack is comfortable for both men and women. 【Secure Lock Buckle & Adjustable Shoulder Straps】 Equipped with a lock buckle to prevent items from falling out or theft. You can easily lock the zipper, ensuring the safety of the contents while traveling or in crowded places. Furthermore, it features lock-adjustable shoulder straps that won't loosen. Once adjusted, the straps won't slip, maintaining the optimal fit at all times. It provides peace of mind in situations with frequent travel, such as business trips or travel. 【Ultra-Lightweight 660g & Versatile for Various Scenes!】 The main body weighs only about 660g, an ultra-lightweight design. Despite its large capacity, you won't feel the weight when carrying it. It features high functionality and a simple, stylish design, popular with both men and women. It is perfect for everyday commuting to work or school, as well as travel, business trips, and outdoor activities. This versatile, large-capacity backpack is perfect for a variety of scenes.