These brushes have a brightly colored, translucent plastic handles that can be used with watercolor, oil, tempera and acrylic paints. The round brushes are great for details and the flat brushes are good for large areas and edging for fine lines. Details: Round and flat Includes assorted sizes 36 packs (8 brushes per pack, 288 brushes total) Metal ferrules Plastic handles For use with variety of media including watercolor, oil, tempera and acrylic paints For ages 5 and up