Galeria Flow Formula Acrylic Colour is a range ideal for artists who require large quantities of good quality acrylic colour at an economic price. They have been carefully formulated to produce strong and vibrant colours, with a smooth, free-flowing consistency which maintains its body and retains brush marks. Galeria Acrylic Colours have been formulated to be fully compatible with the complete range of Winsor & Newton Artists Acrylic Colours and mediums and can be easily diluted with water. Galeria Acrylic Colours are extremely versatile, and are suitable for a variety of techniques. They can be used on numerous surfaces but are not recommended for use on shiny, greasy surfaces such as glass, unprimed metal or surfaces painted with oil colours. As with all acrylics, equipment should be cleaned with water immediately after use.