The surface must be non-porous. Test the porosity of the surface with a small point before use. The water-based ink is weather-resistant and also blurred in the rain. The chalkarkers are slightly wiped off with a damp cloth. […]
Weiterlesen … from Uni TS-140135 PWE-5M Bullet Tip Chalk Marker, Medium, 1.8mm – 2.5mm Line Width,