Size Information: This rigid plastic page cover is 23cm wide and 29cm long and its size is suitable for common documents and papers and it can completely cover A4 and other specifications of papers. The thickness of 1.5mm makes it have good protection and not too heavy which is convenient for sorting and storage High Grade of Transparency：The simple and unified transparent style can clearly show the internal documents pictures and other contents which is convenient for identification and search and you can understand the storage without opening it thus improving the efficiency of file management in work and life Easy to Use：It is very convenient to use. Just insert documents papers photos etc. from the opening and you can complete the protection. Without additional tools you can easily protect and organize files saving time Reliable Material：Plastic material is selected which has waterproof characteristics effectively preventing liquid from splashing and damaging internal documents. At the same time the material is durable not easy to crack and deform and can be used repeatedly for a long time to protect the safety of documents Widely Used: It is suitable for various scenes and can protect important documents precious photos work materials etc. It can be used for filing documents in the office keeping commemorative photos in the family and storing study materials in the school so as to meet the requirements of document protection in an all-round way