4 Mil Clear Safety Window Film Protect your family, and your property, with our high quality Safety Window Film . Safety Window Film prevents shards from falling should windows be broken. With 99% UV rejection, these films also reduce fading of fabrics. Our virtually clear films do not diminish viewing, and are easily applied. 90% Visible Light Transmittance (virtually clear), blocks 99% of UV rays Single Ply 4 Mil Safety Window Film Color : Clear Width : 48 in (2.5 ft) Installation Instructions Note: Do not apply Window Film on plastic or plexiglas surfaces, motor vehicle windows, frosted, etched, leaded, cracked, holed, deeply scratched glass or glass that is very old (over forty years) Orders placed for multiple quantities of the same film will ship as one continuous roll up to 100 ft., unless otherwise requested by the buyer