These are string Kraft paper file envelope, which are made of thick Kraft paper, making them not easy to break and tear down. They have a wide range of applications, they can be used to storage documents, files, invitation cards, etc. Features -Color:Light Brown -Material: Kraft Paper -Size: 14.00X10.00X0.10cm/5.50X3.93X0.04in -The wear-resistant and thick Kraft paper material meets your long-term use and transportation needs, and can effectively store and protect your documents. -You can use this file pocket to hold your files, and keep the files safety. -A sufficient number can allow you to use it for a long time. -The rope winding buckle design makes it more convenient to use and can effectively protect your personal privacy. -Suitable for many occasions, companies, schools, offices, DIY and personal use. Package list: 25 Paper File Envelops