Thin and LightThis stylish laptop bag has the advantage of being thin and light. The size is 40 cm/15.7 inches long, 2.5 cm/0.98 inches thick, and 30 cm/11.81 inches high. . The weight of the shoulder messenger bag is only 0.4 kg, which is light and not bulky. Suitable for a variety of laptops Travel-Friendly DesignBlack shoulder bag with luggage strap for easy carrying. Whether you are traveling by plane, on a business trip or commuting, this laptop briefcase can be easily attached to a trolley or suitcase handle. Bring you convenience in different occasions. Make it a practical choice for college students, busy professionals and anyone on the go. Large Capacity and Multiple PocketsThe laptop sleeve has ample storage capacity to protect your laptop. Conveniently placed compartments and pockets can store pens, business cards, credit cards, passports, mobile phones and tablets/ipads. The back pocket can easily accommodate your files, documents, magazines and books. You can effortlessly find what you want and say goodbye to the days of rummaging through your bag. Durable Waterproof MaterialThe laptop bag features a streamlined design, generous and durable. The outer lining is made of high-quality durable waterproof fabric, which can effectively block water and steam. The inner lining is made of soft fabric, which can withstand the daily wear and tear caused by long commutes and heavy objects. Thick padding around the briefcase compartment effectively protects laptops and computers from scratches, drops, impacts and splashes. Wide ApplicationThe handbag with trolley sleeve is a great companion for business, college, travel, outdoor activities and daily use, and it is also an ideal gift for Valentine's Day, birthdays or anniversaries. Expandable and versatile messenger bag, designed to meet the needs of modern life. Use the adjustable shoulder strap to carry this computer bag over your shoulder or crossbody to your body as a messenger bag.