Great art starts with great products.Louis Prang developed child-safe art products that uphold the highest standards of quality in materials and colour.These standards are maintained today in a comprehensive line of Prang art products for both children and professionals.Prang Semi-Moist Washable Watercolours feature the tuned palette of brilliant colours and intense pigments that have made Prang the watercolours most preferred by teachers nationwide.These washable watercolours easily wash off clothes and skin with soap and water.They are AP certified non-toxic and conform to ASTM standards.Be bold, colour your world, and discover Prang power.