COSMOTOP-SPIN synthetics are great for watercolor, gouache, acrylic & ink. Spin holds more water than any other synthetic with a blend of 5 different diameters of extra smooth fiber ensuring the highest color-absorption of any synthetic brush. It has a sturdy construction and will retain its shape. Beautiful lacquered red handles and nickel-plated brass ferrules are rust proof. Hexagonal handles prevent the brush from rolling away. With the practical da Vinci cotton brush bag the brushes are always organized and well protected, at home or on the road. Certified green manufacturing with sustainable wood handles. Handmade in Germany at our family-owned factory since 1890. This set includes Series 5580 Size 0 and 6; Series 5584 Size 10 and Series 5880 Size 12. Recommended age 2+ years