KURETAKE-ZIG Posterman Marker Set. This marker features a Wide 15mm tip and is waterproof after drying. Ideal for use on paper, plastic, wood, glass, metal and a variety of other surfaces. Perfect for writing broad letters on signs, boards and more! This package contains 8 Posterman 15mm Tip Markers in assorted colors. Conforms to ASTM D4236. Imported.