These plastic wallets are made from polypropylene material, they are very durable, and the a4 plastic wallets feature a white button, which is easy to close the plastic wallets, so help to keep contents secure. The size of plastic folders are bigger than A4 paper, each plastic popper wallet fit a fairly large capacity, it can hold up to 150 sheets A4 papers. The folder offers 6 different colours, the colorful plastic wallets are convenient for students to distinguish between each of their school subjects, and each plastic folder is transparent, can help to find out the file what you want easily. The plastic folders is for the secure storage of your documents at the office, home or school. 12 months warranty, full refund or replacement can be provided if you are not satisfied with our plastic wallets a4 wallets, any questions, please feel free to contact us.