a4 transparent nylon mesh pencil case students' supplies large capacity zipper test paper material office document bag buggy bag

white black gray

a4 single layer [33.5*24]] a5 single layer [23.5*17]] a6 single layer [21*11]] b5 single layer [28*20]] b6 single layer [19*14]] a4 handheld double deck [33.5*24]] a5 handheld double deck [23.5*17]] a6 handheld double deck [21*11]]