American Crafts-Erasable Chalk Markers: White, Yellow, Pink, Green, Blue. Great for chalkboards, dry erase boards, windows, glass, mirrors, ceramic and metal! This package contains five erasable chalk markers in five different colors. WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects or other reproductive harm- do not mouth or chew. Conforms to ASTM D 4236. Imported.