Rite in the Rain 93K All-Weather Clicker Pen, Standard, Black Ink

Pencils will work great on rite in the rain but sometimes you just need a pen. These all-weather clicker pens write on wet paper and upside down, the pressurized ink cartridge performs in temperatures from-30 to 250 deg F. The ink won't leak, evaporate or blow up in your pocket 5-3/8 in long. Black ink.