Pencils will work great on Rite in the Rain but sometimes you just need a pen. This 5 1/4 in long metal All-Weather Pen writes on wet paper and upside down in temperatures from -30F to 250F. The ink won't leak, evaporate or blow up in your pocket! Pressurized ink cartridge performs in temperatures from -30F to 250F, under water (up to 35 ft), and at any angle. Proprietary ink and delivery system used exclusively in Rite in the Rain Pens will write without skipping in extremely wet conditions. Permanent ink writes through water, sweat, grease, and mud without clumping or smearing. Size: 5.125" L, 0.375" D Weight: 0.05 lbs Manufactured: U.S.A. Barrel Color Flat Black Material: Powder-coated brass Features: Convertible cap Ink Color: Black Point size: 0.9mm Cartridge: Pressurized, performs in temperatures from -30F to 250F, under water (up to 35 ft) Refills: Available