Set of 12 ElegantWriter Speedball double-tip markers Set of 12 colored double-ended markers. Whether making invitations or adding more dimension to scrapbook pages, the combination offers artists a whole new range of possibilities. Special for calligraphy and lettering. Dye-based ink. Acid free. Thicknesses:  - 3 mm double tip. - 1.3 mm brush tip. Colors included: red, pink, orange, yellow, light green, dark green, turquoise, royal blue, purple, brown, gray, black. Brand: Speedball.