Material: These plastic zip pouches are made of PVC, which is soft, woven and waterproof. Ziplock bags are very strong and durable. Document storage pouch size: 15 pieces, 3 sizes (A4*5, A5*5, A6*5), 5 colors. The A4/A5/A6 size document holder can only hold A4/A5/A6 or smaller size paper. Please confirm the product size before purchasing. Pocket binder: The smooth and strong zipper has a long service life, and the zipper design is convenient for taking out documents. The waterproof pouch can also be hung on the wall as a loop. Can also be hung on the wall as a ring. Grid Transparent Design: The paper storage pouch is translucent, you don't need to open the folder, the items stored in it are clear in one glance, saving you time. durable WIDE USE: These A4/A5/A6 document bags are perfect for storing receipts, passports, manuscripts, papers, stationery and diaper bags. Hundreds of office, home and school applications, e.g. Cosmetics, cell phones, brochures, keys. < br> It doesn't matter