Sturdy folder with the flexible yellow jalemaclip mechanism for quick and easy intersection, turning and leaving. Perfore holes don't cracks. Make copies without removing the document from the file. Glued back strip, no staples. To use valve as a bookmark. Suitable as an indoor folder for hanging folder systems, standing archiving and in cassettes systems. 270gr chlorine -free and acid -free color kraft cardboard. FSC certified. Capacity 25mm. Folio format 250x348mm.