Designed for industrial users, Sharpie Professional King Size Permanent Markers write on most surfaces including wet and oily surfaces. The rugged plastic barrel and sturdy felt tip make this marker ideal for the toughest marking jobs. Featuring an extra-large ink supply, this permanent marker is long lasting and withstands heavy use. Marker Ink Type: Permanent; Marker Tip Type: Chisel; Marker Tip Size (text): Broad; Marker Color(s): Blue.