Come and see our amazing products. This bag is 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. Foam padded top handle for a long time carry on.USB interface with built-in cable design, great convenience for charging your electronic devices via connecting your own power bank. Pls confirm with us about the packing info, stock color and exact production time before placing your order.