This is a UV resistant artists' gloss varnish that is removable with Artists' White Spirit Solvent (WN3221738) or English Distilled Turpentine (WN3221744). This is a quick drying, non-yellowing gloss varnish that will not bloom or crack. Do not use until painting is completely dry, approximately six to 12 months. Do not use as a medium. 250ml/approximately 8.4 fl oz.