Write through water, grease, and mud—without clumping or smearing!
Writes in temperatures from -30 to 250°F (-34 to 121°C),
Use under water up to 35 ft (10 m)
Write at any angle—including upside down
These All-Weather Pens will writes on paper in any conditions and can even be used upside down. Rubberized grip makes the pen easy to hold—even in the wettest conditions. Pressurized cartridge means the ink won't leak, evaporate, or blow up in your pocket.