Marlin Bright Liners Pen Type Highlighters assorted colours ( Blister Pack of 4 ), Retail Packaging, No Warranty Product Overview Marlin Bright Liners Pen Type Highlighters are indispensable tools for school and work. Created with only non-toxic material, these highlighters pens can be used safely by children, this pack of 4 set  includes 1 each of Fluorescent Pink, Fluorescent Yellow, Fluorescent..