Clear-Lay, comparable to Mylar, is a clear, archival film designed for overlays, stencils, and protective coverings. Acid-free, it contains no plasticizers and offers flatness, clarity, and dimensional stability. Sheets are .005" (.127 mm) thick.
Many people like to use Grafix Red Clear-Lay to highlight colour values. Different Coloured Acetate Sheets' colours can help children with different eye conditions. Using Coloured Acetate Sheets as an overlay over a page can help students with vision problems focus better on reading or writing.