office a4 punch loose-leaf binder pvc three-side pocket a4 three-hole four-hole a4 folder with insert cover punch folder 办公a4打孔活页夹 pvc三面插袋a4三孔四孔A4文件夹加插封面打孔夹

1-inch 2-hole (thickness 3.5cm)-3602 1-inch 3-hole (thickness 3.5cm)-3603 1-inch 4-hole (thickness 3.5cm)-3604 1.5-inch 2 holes (thickness 4.5cm)-3702 1.5-inch 3-hole (thickness 4.5cm)-3703 1.5-inch 4-hole (thickness 4.5cm)-3704 2-inch 2-hole (thickness 6cm)-3802 2-inch 3-hole (thickness 6cm)-3803 2-inch 4-hole (thickness 6cm)3804 3-inch 2-hole (thickness 8cm)-3902 3-inch 3-hole (thickness 8cm)-3903 3-inch 4-hole (thickness 8cm)-3904 4-inch 2-hole (thickness 10.5cm)-4102 4-inch 3-hole (thickness 10.5cm)-4103 4-inch 4-hole (thickness 10.5cm)-4104

milky white