Black Velvet watercolor brushes feature an exclusive blend of natural squirrel hair and synthetic filaments. Soft enough to allow layering and glazing without disturbing previous colors but firm enough to lift color with a gentle scrub. Expect high absorbency, delicate strokes and unsurpassed quality. Use on watercolor surfaces.Details: 6 sets (3 assorted round brushes per set) Squirrel hair and synthetic blend filaments Short handles For use with watercolor paintsSet Contents: Size 0 round brush Size 2 round brush Size 4 round brush