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]