1) Size: A4 file folder 2) Cover & liner: PP(100% eco-friendly & non-toxic material) Beautiful & dura 1) Size:2) Cover: PP3) Grey board: 1.8mm,2.0mm,2.2mm4) Liner: offset paper / PP4) Mechanism: 2-O Ring, 3-O Ring, 4-O Ring, 2-D Ring, 3-D Ring, 4-D Ring5) Packing: 24 pcs/ctn or as per customers' requirement6) Customized design and color are welcome FILE FOLDER file folder