MaterialOur report cover is made of non-toxic and waterproof polypropylene (PP), tear-resistant, moisture-proof, anti-deformationPaper Binder SizeA4 report files are 31 x 21cm/12.2 x 8.27inch, general size for A4 size paper and files., plastic cover thickness 0.2mm , can protect reports wellColorful Slide BarComes with 10 A4 report covers, each color for 2 pieces (blue, yellow, white, green, pink), enough for you to collect and classify different documentsEasy to Use Each cover has a u-type sliding bar, can hold up to about 100 sheets of paper. The thumb notch allows for easy opening. Enough for your daily storage and use in office and school study activitiesWide ApplicationCan be used in price lists, product catalogs, drawings, proposals, menus, presentations, etc. suitable for organizing many papers and documents in the office, home school, etc.Package:10 x Sliding Bar BindersCharacteristics:- The sliding bar binder is transparent, the document does not need to come out and can read the first page, better protect the document, let you easily find the document you want.- 10 pieces of transparent folders in this set, each color for 2 pieces, enough for you to collect and classify different documents-Color pull rod, multi-color dazzle, enhance desktop vitality. The transparent page, simple and generous, makes it easy to identify files, the sliding clip bar makes putting and deleting files easy and fast.