Prang® Metallic Art Markers feature superior ink formulation that lends metallic luster to a variety of bold colors. Superb effects are achieved on dark paper, glass, wood and metal. A durable bullet tip lets the artist create both fine and broad lines. Safe for use on archival projects, these washable markers offer odorless, acid-free ink that won't bleed through paper. AP Certified non-toxic. Conforms to ASTM standards.