MyCrafts: Washable Window Chalk Markers for Glass (10 Bright Colors) BOLD COLORS: A flexible color selection is important in creating unique art, which is why MyCrafts Chalk Markers offers 10 different fun and unique color choices. FUNCTIONAL AND FUN: MyCrafts Liquid Washable Chalk Markers are designed for both personal and professional use, meaning you can use them at home with the kids or at work when presenting new information. VERSATILITY MEDIUM CHOICE: Whether youre creating a bulletin board, personalized window art for your restaurant, writing on a chalkboard or whiteboard, or just doodling on a mirror, our markers work wonderfully with any non-porous surface. EASY TO CLEAN: Our markers dont just offer beautiful colors and crisp, clear lines, theyre also easy to clean! Just use a warm, damp cloth and it will come right off. MONEY BACK GUARANTEE: We pride ourselves in having created beautiful, high-quality liquid chalk markers, which is why we offer a 30-day, no questions asked refund.