Wet umbrella, colorful logo!
Choose to customize umbrellas with the “Hydrochromic” print, the print that turns out to be colorful only if wet!
The magic of hydrochromic printing. Hydrochromic inks are pigments that react to water, they are normally not visible because they form a thin film on the printed images that rejects the waves of light preventing them from hitting the printed image. When it is wet, however, the waterproof layer lets the light filter, which then reaches the colored layer. When the surface also dries the film regains its waterproof property and returns white
