Highlighter Pens, Marker Pens, Retro Shade Markers, School Supplies, Morandi Markers, Korean Stationery, Sets of Six or Singles. Highlighter Approx. (L)128mm, (Dia.) 13mm (Nib) 5mm Colour: Available in 2 Sets of Six or Singles - Please Select Below Quantity: 1 Pen or Set of Six, Select at Checkout.