KINGSLONG Business Backpack, Vacuum Backpack, Travel Backpack, Large Capacity 40-60L, Carry-on Size, Multifunctional, Fits 15.6-17.3 Inch Laptops,

[Combined Use with Backpack, Vacuum Bag, and Electric Pump] This product comes with a vacuum pack and an electric pump. For everyday commutes or short trips lasting 1-3 nights, the 40L backpack can be used alone. For trips lasting 5-7 days, combining the backpack and vacuum pack increases the storage capacity by 20L to 60L. The electric pump completes compression in 10 seconds, and the thorough exhaust provides incredible compression power. It's perfect for storing bulky clothing when traveling or on business trips. [Large Capacity, Scientific Storage System, and Carry-On Fit] The small front pocket can hold small items like a wallet, passport, and earphones, while the large-capacity main pocket can hold luggage for 1-4 nights. The rear compartment can hold a 15.6-17.3-inch laptop and a 9.3-inch iPad. Carry-on dimensions: 52cm x 35cm x 23cm. [Super Comfortable, Selected Premium Materials, and Ergonomic Design] Made with premium nylon waterproof and polyester fabric, each joint is reinforced with stitching. This backpack undergoes rigorous quality inspections for peace of mind. The breathable and cushioned mesh material absorbs sweat, preventing discomfort and shoulder discomfort. The three-dimensionally padded back panel and contoured shoulder straps provide an ergonomic, comfortable fit. [Simple, Stylish Design & Versatile Backpack] Perfect for everyday use, such as commuting to school or work, as well as travel, business trips, sports, hiking, mountain climbing, picnics, and outdoor activities. It also makes a heartwarming gift for fathers, boyfriends, friends, and colleagues on New Year's Day, Christmas, anniversaries, job hunting, school entrance ceremonies, and graduations. Its simple design and pastel colors make it suitable for all ages and genders. [After-Sales Service] Rest assured that your business backpack has undergone rigorous quality inspections. This vacuum compression backpack will be replaced free of charge if there are any quality issues within six months of purchase. ⚠️Notes: 1. To ensure the airtightness of the vacuum compression bag, an additional TPU rubber layer has been added to the zipper, making it difficult to open and close the first time you use it. However, it will gradually become smoother with repeated use. 2. An electric pump is not included. Please prepare six AA batteries in advance.