The Escoda Series 1438 Perla Travel Brushes are made from a custom blend of distinctively patterned synthetic fibers containing all the attributes of natural sable hair. A perfect choice for the professional or seasoned watercolor artist, this brush retains its perfect point after much use and has top notch color retention & spring. Escoda brushes continue to be made by hand by the Escoda family as they were since 1933. This is a size 10 pointed round brush with a silver bristles measuring 5. 7mm and 25mm in diameter and has brush extender handle that also acts as a cap to covers the bristles for transport.