Detailed Product Description Material:PPThickness: 0.03/0.035/0.04/0.045/0.05/0.055/0.06/0.08 (mm) .etcSpecification: A4, FC, F4, A3, A5, B5, Letter, etcHole:3, 6, 11, 16, 23 and 30Top opening, side opening, corner opeding are availableCrystal clear transparent finish, embossed anti-glare finish are availableFist for:O-ring, D-ring Binders, lever arch filePacking: 100 pieces/bag , 4800pieces/ ...