These Rite in the Rain Pens will work on all Rite in the Rain paper as well as other brands of waterproof and normal paper. They will write in the wet, whilst upside down and even in extreme temperatures from -35° to +120°C (-30° to +250°F). They are also 100% leakproof and won't evaporate in warm climates.
Available as a "clicker" pen or as a bullet style with lid. Both come with black ink and a refill can also be purchased.
Clicker Pen:
* Size: 14cm (5.5")
* Weight: 27g (0.06lb)
Bullet Pen:
* Size open: 13cm (5.25")
* Size closed: 9.5cm (3.75")
* Weight: 23g (0.05lb)
Refill:
* Size: 9cm (3.5")
* Weight: 9g (0.02lb)