Magicfly Premium Chalkboard Paint Labels with White Liquid Chalk Paint Markers Pen - Fantastic for Labeling Jars - 40 Pack Reusable. Need to change the label? Easy! Simply wipe with a damp cloth and re-write. Organize and personalize any space with these simple to use and endlessly reusable labels. Any chalk will do. You can write on these labels with regular chalk or liquid chalk markers! With Chalkboard Lables?pack of 40 Passed EN 71 & ASTM D-4236 standard