The glass marker provides bright colors and covers well. It is also ready to use immediately and does not need to be activated first. Of course, the ink is residue-free, dry, and erasable. Glass marker for writing and marking on glass jars. The ink can be easily removed from the glass jars. The marker is ready to use straight away. The round tip has a line width of 1.5-3 mm. The ink of the glass marker has opaque and brilliant colors. Fluorescent ink for yellow and pink colors. Available in black, yellow, light blue, orange, pink, and white.