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