GBC PolyTechno Binding Covers come in a pack of 50 A4 textured white covers that provide a superfine published finish to your documents. The high quality 700 micron recyclable polypropylene material provides a strong, durable and environmentally friendly solution to your pages, making a lasting impression and offering maximum protection. The waterproof polypropylene also protects your documents against spills and frequent handling. PolyTechno covers feature a heavy grained effect on one side and are absolutely smooth on the reverse for a pristine finish. This pack contains 50 white binding covers suitable for lie-flat binding styles including ClickBind, WireBind, CombBind and CoilBind.