420D laptop backpack,luggage,notebook backpack 420D laptop backpack,luggage,notebook backpack we produce all kinds of backpack in China, like sports backpack, travelling backpack, school bag ect, we promise we have professional skill, cheap price, good after-service, and we also make sure we can delivery in timeLaptop backpack with 2 main compartment,2 front pocket, 2 side zipper pocket and 2 ...