These Calligraphy Paint Markers are ideal calligraphy tools. The markers have a flat 2 mm tip. The markers are perfect for creating cards, invitations, awards, announcements, or any other letter art. The paint is oil based and comes in 6 colors. Contains Xylene. Not recommended and unsuitable for certain types of plastics, leather, metals, finished wood, paper and fabric products. Each pack includes 6 markers, 1 each of gold, silver, black, red, blue, and green.