Multifunctional delivery backpack

Multi-position design, efficient expansion, to meet various loading needs. Waterproof material, with a separate computer compartment, reduce the feeling of carrying, but also with a German magnetic buckle. The use of high-density resilient sponge filling, more fit shoulder curve, divided gravity, reduce the feeling of carrying.  Exquisite details, with high-quality shoulder strap adjustment buckle, portable loop style expansion, so that you no longer have the trouble of winding. With a personality streamer, help to freely display personality decoration, but also can hang the key, fashion and practical.