These zipper document storage bags are made of PVC materials, light in weight, easy to carry, suitable for students and teachers, and can also be used to store other small items. Can be used as some perfect your friends. Features -Color:Assorted Color -Material:PVC -Size:43.50X30.50X0.50cm/17.10X11.99X0.20in -Size:39.00X28.00X0.50cm/15.33X11.00X0.20in -Size:28.00X21.00X0.50cm/11.00X8.25X0.20in -Size:23.50X11.50X0.50cm/9.24X4.52X0.20in -Note: There are A3, A6, B4, B5 kinds of sizes. -The Zipper Pouch is made of PVC materials, enough and practical to use. -Large capacity, these zipper pouches are teachers, bank staff, students or workers. -The zipper file pouches are suitable for storing most stationery, papers and toiletries, etc. -Large capacity, manage files, letters, statements, photos, cards, etc. in a neat manner. -With zipper opening and closing, these file pouches are suitable for home, school, office, travel, etc. Package list: 20 x Zipper Pouches