Matisse Structure Formula is a rich impasto paint that artists love. This acrylic paint is ideal for application with a brush or palette knife for striking textured effects, or combined with the range of Matisse Mediums for exceptional flexibility of application and finish. Only the finest quality pigments and ingredients are selected for the Matisse range of premium colours. All have the highest light fastness rating of ASTM 1 or 2 and are archival quality - so you can create with confidence knowing your artwork will stand the test of time. Application: Applied undiluted by brush or knife it gives a rich deep impasto finish. The colours may be thinned with water for washes and watercolour effects. Available in 30 great colours and 2 sizes (75ml or 250ml).