This is a 10 mil white, opaque, polyester laminating film with a heat activated U.V. resistant adhesive. If your application requires a LIGHT BLOCKING BACKER, then this is the product. It is an excellent addition to any graphic house's arsenal of films. When partnering this blocker with RemiLustre-5 or RemiTex-6, the results are an excellent semi-rigid, medium weight versatile end-product. Your graphics will look better; last longer, and your clients will return again and again. Please contact our sales department for application questions.