Daler-Rowney has inspired creativity since 1783 and they pride themselves on providing top quality, sustainable art materials for all levels of expertise. All their colours are made in England. Water Washable Oil Brush Cleaner is a safe way to clean brushes. It contains natural oils, is solvent-free and low-odour. Instructions included. Bottle contains 250ml. A safer way to clean brushes. Simply work the gel into the brush and rinse with water. Solvent-free Non-flammable Biodegradable Low odour.