The BIC Highlighter Grip highlighter pen has a ribbed rubber grip for extra comfort and flawlessly even-handed writing Bigger nib makes it ideal for quick work on faxes and photocopies. Chisel tip gives a line width of between 1.6mm for underlining and 3.3mm for broad highlighting Water based, fluorescent ink in pink, yellow, blue, green and orange. Lasts for up to 8 hours with the cap off without drying out."