Rite in the Rain, all-weather pocket pen 2-pack black. Cap snaps securely onto end of pen creating a comfortable standard-size barrel. Ink and delivery system used exclusively in Rite in the Rain Pens will write without skipping in extremely wet conditions. Pressurized ink cartridge performs in temperatures from -30F to 250F, as well as under water (up to 35 ft), and at any angle. Point size is .8mm.