These Zig Posterman Biggie 50 markers have very large, 2" wide tips (50mm). High Opacity, Water-based pigmented ink. Marks on most surfaces, including glass, metal, wood and plastic.

Also suitable for marking paper, plastic, mirrors, wood and stone. Great on posterboard.

Great for advertisements on chalkboards and glass surfaces. Marks stay on glass until you wash them off with glass cleaner. Marks wash off chalkboards with a standard household cleaning solution.

Available in various colors.