Material: PVCSize: A3,A4Thickness:125mic to 350micColour: transparent, colorfulCharacteristic: This product is heat-resistant, tough, stable.Usage: This product adopts two-way to draw polyester cut, it is used for the covers of the product introductions, menus, brief introductions of the company, propagate volumes and all sorts of covers of file materials through binding of the binding machine, making the file materials beautiful in appearance and durable in use.