captain-k products Waterproof Laptop Backpack  (Black)

【Light/Fashion】The bag is made of polyester fabric with simple and light design, the fabric is soft ,comfortable, waterproof and wear-resistant 【USB Port Design】There is a USB port on the side of the bag, you can put your power bank into backpack and connect internal USB cable, then let your charging cable insert USB port to connect your electronic device 【Storage space】There's 1 main pocket, two side pocket, 1 pocket outside, You can put in a 14-inch computer, two tablets, a bottle of water, a sunshade and Other things that you need 【Fixed Band Design】There is a fixed belt at the back of the backpack, The backpack can be easily attached to the suitcase, and save energy 【Multifunctional Backpack】The backpack can use as daily backpack, student backpack, travel backpack, computer bag, Laptop bag ,school backpack