Made of durable Oxford cloth, this bag is lightweight and durable. Equipped with adjustable shoulder straps and soft shoulder pad design, it can reduce the pressure on the shoulders of the pack, making it easier to carry items for long periods of time. Ergonomically designed, padded adjustable shoulder straps and back ensure ultimate comfort It fits easily into your laptop, pens and notebooks, water bottle, shoes and clothes. Offers more space than you might expect from a bag of this size. It is your perfect assistant. The Teen Student Backpack is made of soft and silky fabric, easy to wipe, waterproof material to protect your laptop and laptop from the rain. You decide how to use it, hiking, walking, climbing, camping, cycling, fishing and fitness. It is your perfect assistantAnti-theft combination lock design: There is an anti-theft combination lock on the front of the backpack, making travel safe and worry-free.The thief attacked combination lock is effective against theft. It adopts the trinity combination lock, which is safe, reliable and worry-free. It is easy to combine 999 sets of passwords, escort the whole process, and make your travel safer and more convenient. The initial password is: 000USB Port Design: External built-in USB charger, built-in built-in charging cable, this USB backpack provides you a more convenient way to charge your phone while walking. Note that this backpack does not include the power bank itself. USB charging port provides easy charging onlyCOMFORTABLE/DURABLE: This backpack is made of waterproof and durable Oxford cloth with metal zippers. Comfortable, wide, breathable mesh shoulder straps and rich foam padding help relieve shoulder pressure. These can be used as men's school bags and women's computer backpacks. It is an ideal gift for men, women or graduation gifts