DescriptionWomen's laptop backpack waterproof school bag travel backpack blackWith a USB charging port on the side of the laptop backpack, this USB backpack offers you a more convenient way to charge your phone while walking. (This backpack does not include the power bank itself) With a comfortable lay-flat design, the travel backpack unfolds freely 180 degrees, allowing you to quickly pass through airport security and save your precious time.The laptop backpack features a comfortable airflow design with thick, soft ventilated padding, this bookbag gives you maximum back support. Breathable and adjustable shoulder straps relieve the shoulders. Thoughtful design gives you a more comfortable carrying experience.This backpack for men and women is made of high-quality polyester fabric with high-quality nylon lining, waterproof and tear-resistant. Durable polyester fabric with metal zippers ensures safe and long-lasting use every day regularly. The multifunctional backpack is perfect for indoor and outdoor activities. Works as a travel backpack, bookbag, college backpack, overnight backpack, work backpack for men and women.A smart luggage strap helps you free your hands and back while attaching this backpack to your luggage handle. With a hidden anti-theft pocket on the back, protect your valuables from thieves. This large backpack is the best gift for safe travel.