The "Rite in the Rain" All Weather Pen writes underwater, upside down and in temperatures from -50 F to 400F. When writing in wet conditions, one must use a pencil or an all weather pen like the Rite in the Rain. A pencil is more likely to be broken under harsh conditions than a pen, therefore we recommend the "Rite-in-the-Rain" All Weather Pen or a product like it for every survival kit.
For those times when you need a pen, use the All-weather Pen. The Rite in the Rain All Weather Pen is the ideal ball point pen for outdoor use due to its pressurized ink cartridge and permanent ink. The Rite in the Rain Pen writes underwater and upside down, and it will write in all weather conditions, even temperatures as low as - 50 F. These amazing pens are fine point.