... )binder & PP file folder 2)material: PP 3)size:F/C.A4 ... -2.5" O/D ring 4)high quality&competitive price file folders1, Material: PP Thickness follow customers' request2, Size: ... processing all kinds of PP material and stationery, including file folders, file bags (the book thick wire 10 silk -200 ... ), file boxes, PP sheets, PP placemats, printing sheets, and packaging ...