Draw on any non-porous surface such as glass, mirror, plastic, and windows. I only recently discovered liquid chalk markers, though they have been around for decades. These markers put down water-based paint pigments (like what we used to call “poster paints”).Click to see full answer. Furthermore, can chalk markers be used on glass?+ Chalk markers only work with non-porous surfaces such as glass, metal, porcelain chalkboards, slate chalkboards, or any other sealed surfaces. + Always do a spot test before using the markers on the entire surface. This will allow you to see if the surface you are planning to use the pens on is compatible with it.Furthermore, how do you seal chalk marker on glass? To make your chalk drawings permanent, lay your chalkboard out and carefully spray with a THIN even coat of hairspray from AT LEAST 10 inches away. Make sure you entirely cover the surface. The aerosol is important because it sprays small even droplets. Moreover, will chalk pen come off glass? It will say right on the package that the pens come off with just water and a damp cloth. It’s as easy as wiping with a damp cloth to remove the liquid chalk from the glass. Use the liquid chalk pens inside only. They are water soluble and will wash off with any water.What pens write on glass?Glass markers are fantastic, versatile pens for decorating glass or glazed ceramic objects. POSCA Paint markers are some of the best glass markers around, with a wide range of tip sizes and over 30 colours available in some sizes.