Grumbacher 542 Picture Matte Varnish for Picture and Oil & Acrylic Painting, 11.25oz. Can Protective, uniform, matte coating for oil and acrylic paintings; Made in USA Non-yellowing, flexible, and quick-drying; Crystal clear when applied Can be easily removed with Grumbacher Pure Gum Spirits of Turpentine, Grumtine, or Odorless Paint Thinner Spray varnish should be applied to finished works that have dried for at least 6 months for oil paintings and 5 days for acrylics Not for use in oil painting medium preparation