Solar backpack with large capacity and multiple parts for laptops, tablets, magazines, books, etc. – Comfortable hand-held handle with less pressure on the arm when held, adjustable shoulder strap for different needs – High-density fabric, tear-resistant, wear-resistant and durable – External USB charging port – Solar power board, dual USB output, charging mobile phones and tablets under the sun – Product size 46* 32 *12 cm – Weight 910 g