Unisex Scalable Waterproof Backpack, Casual Breathable Large Capacity Oxford School Bag with USB Port for Men and Women Work Travel Flight Business 15.6" Laptop Bag Dark Grey

【MAINTENANCE METHODS】 · Gentle Cleaning: Use mild laundry detergent or soapy water for cleaning. Avoid using strong detergents as they can damage the texture and color of the fabric. · Classified Washing: Classify and wash Oxford cloth items according to color and degree of stains. Avoid washing light and dark items together to prevent staining. · Cold Water Washing: Use cold or warm water for washing. Avoid using hot water as this may cause the Oxford cloth to shrink or deform. 【USB CHARGING】 · CONVENIENT CHARGING: This bag is equipped with an internal USB charging port and power cable, allowing you to conveniently charge your devices while on the go. You can place a power bank or portable charger inside the bag and connect it through the USB port to easily charge your phone, tablet, or other portable devices. · FASHION AND FUNCTIONALITY COMBINED: Bags with USB charging functionality often have stylish appearances and designs that cater to your personal style and fashion needs. They combine practicality and aesthetics, meeting your daily charging needs while also matching your outfits and overall look. 【COLOR DIFFERENCE ISSUE】 · The color of the product will be affected by various factors such as shooting light source, post-production editing, and display resolution,etc. · There may be color difference. · Please refer to the actual product. 【PAY ATTENTION】 · Clear pictures provide product details, colors, styles, specifications and other information to help you understand the product. · The above dimensions are measured manually, and there may be errors due to different personal measurement techniques. Please refer to the actual product for accurate measurement. · If you are interested in our products, you can add them to your shopping cart and place an order according to your personal preferences and needs. • Capacity upgrade: The back can be expanded and thickened by 5cm, which can easily increase the capacity of the backpack. It can carry a 15.6-inch computer and daily belongings to easily improve travel efficiency. • Specifications: Dimensions are 30*45*19cm/11.8"*17.7"*7.5".Lots of pocket and laptop sleeve make your personal stuffs well organized.This backpack is large and durable, which is perfect for College, travel, business, everyday use and outdoor activities as well as a perfect gift choice for people you love! • Multi-layer space: Internal computer compartment + iPad compartment, easy to carry items.The multi-layer zipper bag design of the backpack is convenient for the classification and carrying of various personal items, and it is convenient to take and place. • USB charging interface: The backpack has a built-in charging data cable and an external charging port; the mobile phone can continue to last. • Trolley case fixing belt: The back fixing belt can be used with the trolley case. The clever rear panel insert box design allows the weight of the backpack to be handed over to the trolley case, and travel has become easier from now on! • Humanized design: Shoulder strap D-shaped external hanging ring buckle, can hang keys, water cups, etc. S-shaped widening shoulder straps, relieve back pressure, comfortable decompression. • Wear-resistant and waterproof: Nylon fabric has the characteristics of wear-resistant and water-repellent, and the waterproof coating prolongs the service life of the bag. • Ventilation and breathability: The back is made of honeycomb breathable mesh fabric, which keeps the ventilation, making it more comfortable to carry.