1)Durable. 2)convenient for put files. 3)High quatity & Top service & competitive price Product name:pp file bag, Usage: document bag Color: any color is availableComfotable for holding the file and usred for office ,school ect.material: PVCexcellent appearancea big space can be used to place books, mobile phone ,etcopaque ,assorted color and thickness for choosingSize:A4,F/C, or Legal, letter ...