Lightweight Casual Laptop Backpack with USB Charging Port, School Bag for Men and Women for College, Heavy grey, BIG SIZE, Laptop Made of high-quality waterproof Oxford 300D fabric, durable and wear-resistant. Adjustable shoulder straps keep them from slipping, allowing this slim laptop backpack to fit better on your body and shoulders. The laptop backpack offers ample storage space thanks to the compartments. You can place your laptop, iPad, power bank, camera, books and other items you need and keep them organized. The backpack can hold a 15.6-inch laptop. This USB backpack features an external built-in USB charger and built-in charging cable, giving you a more convenient way to charge. This is the perfect gift for school, leisure, hiking, camping, trekking, air travel, walking, outdoor sports, shopping, business trips and overnight stays. FUNCTIONAL: Simple structure with multiple pockets to store what you need in business, daily life, school or travel, this backpack is the best choice for boys' school backpacks and girls' backpacks