Sharpie Permanent Fine Tip Markers, Black (Pack of 24) - Sam's Club
Sharpie The Original Fine Permanent Marker, 21 pack - Walmart.com
Sharpie Permanent Fine Point Markers Assorted Colors Pack Of 24 Markers - Office Depot
Amazon.com : Sharpie Retractable Ultra Fine Point Permanent Markers, 3 Colored Markers(1735794) : Ultra Fine Sharpie Retractable Red Blue Black : Office Products