Winsor & Newton Professional Acrylic 60ml Pyrrole Red Light Series 4 (536) (WNAC536) Brilliant colour that stays brilliant! This Winsor & Newton Artists' Acrylic range of 80 colours offers unrivalled richness, intensity and depth of colour. Not only are the colours brilliant when wet but they remain as bright when they are dry due to their high pigment strength, single highest quality pigments and a new revolutionary transparent binder. Formulated to allow for a longer working time, with no colour shift or darkening of tone, what you see is what you get! FREE shipping on orders over $175, and large shipping refunds on multiple purchases. Just email us with your order number and we will see what we can do. Most orders will be with you inside of 12 days, although some may take up to 15 working days. Free Shipping only on orders of 4kg or less. If you have any questions, please use the address on our contact page