Waterproof pens will function regardless of the weather, even underwater! These refills even function when held upside down and during deviant circumstances. In addition, the refills are held under pressure, do not leak and do not dry out.
Rite in the Rain waterproof pens
The all-weather pens made by Rite in the Rain will keep functioning regardless of the weather. On wet paper or upside down, it is possible! The refill is filled with ink that is held under pressure and will not leak. The ink functions whether it is -25 degrees or +120 degrees and will not dry out. Combine an all-weather pen with a Rite in the Rain notebook and you will have a reliable combination which will function regardless of the weather.
