This file folder set fits for different occasions, businessmen can use them to hold documents or files, and students can use them to hold test papers. They can cover A4 size files. Non-slip draw rods holds everything together and won't slide off the cover. Features -Material: Plastic -Size: Approx. 30 x 20.7 x 0.8 cm / 11.79 x 8.14 x 0.31 inch - With transparent design, easy and convenient for clssifying all kinds of files. - These folders can throughly cover A4 size files, including papers, documentation, test paper, music books, etc. - Anti-splashing surface plastic case can keep papers file safe and sound. - Suitable for being used for schools, enterprises and individuals on display, etc. - Made of premium material for durable and long lasting use.