Stylish and cool geometric luminous design, the color changes with the light, let you be full of personality. Laptop Backpack: fits up to 15.6” laptop. Multi-Pockets, with USB port, special safe phone-pocket on the back. Comfortable padded strap, breathable and adjustable, airflow back design with thick and soft padding. High-quality materials and large capacity, durable and easy to accommodate a variety of daily necessities.