da Vinci Watercolor Series 5240 Deluxe Paint Brush Set, Natural Hair and Synthetic with Wooden Storage Box and Brush Soap, Multiple Sizes, 5 Brushes (Series 36, 991, 5530, 5550) The cost of series 36 no.12 kolinsky red sable round alone makes the set an excellent value large sizes of other brushes make this a watercolorist's dream set Series 991 is made of our highest quality petit gris pur russian blue squirrel hair The wood box holds the brushes in place perfectly for traveling Certified green manufacturing with sustainable wood handles Handmade in germany at our family owned factory since 1890