OVERALL CHARACTERISTICS:This is a large capacity backpack with a size of 13x15.7x5.1 inches (33 * 40 * 13cm). Weight: 1.3IB (564g). It is decorated with exquisite hand embroidered lace. The durable and freely adjustable shoulder strap is convenient for people of all shapes. POCKET FEATURES:The large internal pocket is convenient for storing laptops, iPads, books, A4 documents, cosmetic bags, credit card bags, wallets, keys, etc. The small inner bag can store valuables. The outer side pocket is convenient for storing folding umbrellas and water glasses. The external back pocket can store the phone for easy use. ANTI THEFT AND WATERPROOF:This backpack has a dual anti-theft design: the stainless steel zipper is used to close the bag mouth, the bag mouth is folded, and the open lock is added to make it safer to use This backpack is made of waterproof and durable nylon cloth, which can protect your items from getting wet in the rain, but it is not recommended to use it for a long time in heavy rain and rainstorm, because there will be gaps in the zipper closure.MAINTENANCEINSTRUCTIONS:This backpack can be washed gently with a hand brush. It should not be directly rubbed with water to avoid wrinkles, delamination and fading.Due to the special process, it is normal for slight fading to occur.In addition, if you have any questions and suggestions about purchasing this product, we would be happy to contact you. We will reply and solve your problem as soon as possible