Winsor & Newton Artisan Water Mixable Mediums, Matte Varnish is UV resistant and provides protection for paintings achieved with Artisan Colour and is removable with Artisan Varnish Remover. Painting must be completely dry (6 to 12 months) to be used. Non-yellowing, use only as a final varnish. Details:Available in multiple sizesFor use with for Artisan color Removable with Artisan varnish removerNon-yellowing