External Usb Charging Port Luminous Backpack

USB interface design bag, luminous material, leisure backpack, light and comfortable, waterproof fabric, 20L large capacity, can accommodate 15.4 inch notebook, unique style, not afraid of water, ventilation, not easy to scratch, not easy to tear, back honeycomb cooling pad, can hold umbrellas, water cups, cameras, purses and other things.It is the best gift for students.