1.A4 size file bags can only store A4 size or smaller paper. Please confirm the product size before purchase. 
2. PVC, safe and eco-friendly, thick mesh material, waterproof and moisture-proof. Protect your files from moisture, keep them flat and clear. Smooth metal zipper, strong and durable. 
3. zipper file bags with super large capacity, a good choice as office supplies, college, or for travelling storage. 
4. Make office storage easier; Help you organize documents and office supplies accurately and efficiently. It is the best choice for makeup artists,college students,elementary school students, office workers and classrooms.