Winsor & Newton Artisan Water Mixable Mediums, Gloss Varnish is a UV resistant gloss varnish that provides protection for paintings achieved with Winsor & Newton Artisan Colour and is removable with Winsor & Newton Artisan Varnish Remover. To be used when painting is completely dry (6-12 months), non-yellowing, and use only as a final varnish. Details:Available in multiple sizesNon-yellowingTo be used when painting is completely dry (6-12 months)Use only as a final varnish