Lightahead Document Case Folder A4 US Letter Size Secure Sturdy document flap Folder .50mm thickness LA-7569 (set of 6) Very Spacious. Can hold upto 100 A4 size or US Letter Size document. Sturdy High quality 0.50mm thickness Cover flap and elastic cord secures contents US Letter A4 size / Translucent Folder PP texture:four color printing. Thickness:0.5mm Ideal for Students, Executives on the go or for anyone wanting to secure their important documents