Help keep track of your cups or glasses with these red, gold and silver markers. The Non-toxic ink dries within minutes and cleans with soap and water. Write on glasses, windows, bottles, mirrors or ceramics. These specially formulated glass markers are designed for writing on any type of glass or mirror products in your home. Fun metallic markers for writing messages for those special occasions or just identifying your glass. Each card has three pens, one gold, one silver and one red.