Thomas Slim immersed their new EDC fountain pen in water for 24 hours, pulled it out, and it wrote immediately. They dropped both the fountain pen and rollerball versions fifteen times from one metre onto concrete, and aside from minor ink on the nib face, both kept writing without issue.
This is the one and only paint that's on the market that's designed to actually absorb moisture. If you take Lilypad paint and apply it to the wall, the film will actually absorb excess humidity as it starts filling the room, and then, when it dries, it resets itself by slowly letting it back into the space. So it's regulating humidity, Dr. Stein said.
On the outside is a wind- and wear-resistant knitted nylon/spandex/lycra layer, and on the inside is a soft, moisture-wicking acrylic/polyester layer. Lastly, a waterproof and breathable Artex membrane is sandwiched between, keeping your hands dry no matter what. This creates a thin yet warm glove that's ideal for milder winters. I've worn these down to about 23°F in hail and winds hitting 50 miles per hour, and my hands were warm enough.
