Ventilation and durability: The water wash cloth bag has strict requirements on raw materials, and the raw materials can be effectively prevented from discoloration by being specially treated, and they are durable.
USB Port Design: With built in USB charger outside and built in charging cable inside, this USB backpack offers you a more convenient way to charge your phone while walking. Please noted that this backpack doesn't power itself, USB charging port only offers an easy access to charge.
Comfy and soft: Comfortable airflow back design with thick but soft multi-panel ventilated padding, gives you maximum back support. Breathable and adjustable shoulder straps relieve the stress of shoulder.
Effective anti-shrinkage: The canvas bag undergoes rigorous washing calculation and high-temperature drying to achieve the pre-shrinking effect, because it is not easy to deform and shrink, so that good quality is more stable.
Suitable for crowd: Serve you well as professional office work bag, slim USB charging backpack, college high school big student backpack for boys, girls, teens, adults