Size: A4, A3 and other special size . Thickness: 0.125mm - 0.25mm. The binding cover is made of PVC, PET and PP film Smooth surface and elegant appearance Size: A4, A3 and other special size Thickness: 0.125mm - 0.25mmInner packing:100pcs/box, white box or color box.Reasonable in price and excellent in quaitly.we have exported to Americ,Europe and Japan for many years.