1. Made from environmentally-friendly materials. 2. Making your files organized easily. Expanding File/Organ Bag1. Size: 39x12.5x27cm2. hand-held design,18 deviders/19pokets.3. meterial:cardborad,paper board,art paper,writing pad.kraft paper,cloth -line paper,special paper etc.4.surface disposal:4C printing paper surface,matt lamination