For vehicles, homes, shops and office. The SafeVision Black Charcoal 20% VLT 4mil or (100microns/0.1mm) thick tinted safety film protects glass against accidental breakage, vandalism, it gives the windows added strength, protects from smash and grab and they will also offer a coated protection to the interior furnishings because they reduce 99%+ of the Ultra Violet light. When installed on standard 3mm thick float glass, the safety rating of the glass is increased to allow existing glass to pass into new rating levels for use in child care centres and public spaces. Roll length is 30.5m. Pre-cut available in any length, by the roll widths available.