da Vinci Watercolor Series 5249 Paint Brush Set, CosmoTop Spin Synthetic and Kolinsky Red Sable, Multiple Sizes, 2 Brushes (Series 488, 1526Y) Series 488 quill can be used as a mop but comes back to an excellent tip Series 1526y size 2 is great for detail with an excellent point Certified green manufacturing with sustainable wood handles Nickel plated brass ferrules are the best money can buy Brush will retain its shape Handmade in germany at our family owned factory since 1890