Amazon.com : ZEYAR Twin Tip Permanent Markers, CD/DVD Markers, 12 Color, Ultra Fine Point and Fine Point for Signature and Marking (12 Colors) : Office Products
Amazon.com : STAEDTLER Lumocolor Permanent CD/DVD 310 CDS-9 Marker Pen Superfine 0.4 mm Line - Black, Pack of 10 : Permanent Markers : Office Products