Functions in extreme conditions. the pressurized ink cartage writes upside down and through moisture without smearing or wash off. 

 WRITES UPSIDE DOWN

Pressurized ink cartridge performs in temperatures from -30F to 250F, under water (up to 35 ft), and at any angle.

INK WON'T SKIP

Proprietary ink and delivery system used exclusively in Rite in the Rain Pens will write without skipping in extremely wet conditions.

WRITES THROUGH…

Permanent ink writes through water, sweat, grease, and mud without clumping or smearing.

Notebook and Notebook case sold separately.