The ink is confirmed to ASTMD-4236 and EN-71 There are 6 colors purple, orange,pink, blue,green,yellow Pack of 4 Coloured Highlighter Marker PensHighlight or underline important text.Chisel tip produces thin and thick lines.Suitable for paper faxes and copy.Will not fade on faxes.Colours: Pink, Yellow, Green , orange. Pack of 4 Coloured Highlighter Marker Pens