A set of 10 fluorescent highlighters, the OPTEK series, suitable for fax paper, etc. One pen is missing, so there are 9 pens. Therefore, the condition is listed as "Used - Has some scratches and stains". Since they haven't been used much, 9 pens are almost new. - Brand: ZEBRA - Model Name: OPTEX - Number of colors: 10 color set - Application: For fax paper, non-carbon paper, and plain paper Thank you for viewing.