This Artists' Water Colour Sable brush features quality Kolinsky sable hair; the select bristles exhibit the ideal belly, spring and point for watercolor. It holds an exceptional amount of color. Enjoy comfort, control and quality with every stroke. The contoured handle is specially designed for secure grip and comfort. Details:RoundSize 10Kolinsky sable hair bristleSeamless nickel ferrule is durable and long lastingElegant deep blue satin matte finish birchwood handleComfortable hold For use with watercolor