12-color chalk pastels specifically for blackboards, erasable with water. - Brand: Raymay - Product Name: CHALK PASTEL - Number of Colors: 12 - Application: For blackboards - Features: Erasable with water Thank you for viewing. This is a new item, recently purchased. I took it out of the box and used a few colors once, but overall, there's still plenty of use left. Thank you very much. Oil pastels Raymay oil pastels Raymay crayons