Description These are string paper file envelope, which are made of thick 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. Sufficient quantities for you to use, and you can share with your friends, they will be satisfied. Features -Color:Black -Material:Kraft paper -Size:17.00X11.50X0.30cm/6.68X4.52X0.12in -The wear-resistant and thick 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 confidential files, and keep the files in 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. The wear-resistant and thick 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 confidential files, and keep the files in 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.