Easy to use ImpressArt pen Make your designs stand out Water resistant and non-toxic Chiselled tip allowing for greater accuracy This ImpressArt Stamping Enamel Marker Pen contains a black acrylic ink that has been designed to easily darken stamped impressions so your design will be clearly seen. To use, run the tip of your marker over the stamped area from left to right, then leave this to dry for 1-3 minutes and wipe gently with a clean, soft cloth if you need to remove any excess ink. The ink is water resistant when dry, it is also water based and non-toxic. This convenient enamel marker has a chiselled tip allowing more accuracy with intricate and small areas of application.