Material: Made of durable， archival quality polypropylene that contains an additional additive allowing it to biodegrade in landfills while leaving no toxic residue. Includes write-on tabs.;Style and design: simple design expanding file keeps documents organized， even when you're traveling，with Elegant as a word to make you look more stylish;Size and Weight: 24. 6x32. 8x3.3 cm & 320g which makes it accommodate more papers and storing more documents; A4 sized and letter size paper.;Feature : The expanding file folder as 12expandable pockets and 11 insertable tabs so you can constantly alter the contents based on your needs，a Flexible Handle which can alleviate the oppression of somewhat heavy materials making it easy and comfortable for carrying