A small message on the mirror or the window. Also in restaurants or on shop windows, whether indoors or outdoors, your information will always cut a fine figure with our chalk marker. With the Wet Erase you can decorate and paint on all smooth and non-porous surfaces such as glass, whiteboards, metal, plastic, porcelain and much more. Once dry, the Wet Erase paint is also resistant to rain and can be removed at any time with a damp cloth without leaving any residue. There are no limits to the realization of your ideas. for all non-absorbent and non-porous surfaces such as glass, porcelain, metal and much more. can be used indoors and outdoors, resists rain. can be wiped off with a damp cloth without leaving any residue. 2 pieces. 2 pieces.