Blair Matte Spray Clear Coating provides a permanent protective finish for art, unglazed ceramics and most crafts. This matte spray is non-workable, which means that once it is applied, further layers of art material can not be added and it contains no fluorocarbons.This lead-free, non-yellowing fixative is ideal for pencil, charcoal, pastel, and drawings in graphite. Also use on metals to prevent tarnish, corrosion or rust, on documents, murals, mounted fabrics and more. Available in a 11.75 oz. can.