The sidewalk chalk is safe and its color is bright and smooth. Dustless sidewalk chalk can be written-on a wet blackboard. It wipes clean easily with water and doesn't soften in high heat.

Specification:
Name: Solid Water Chalk
Color: White
Material: titanium dioxide
Length: 8cm/3.15inch
Diameter: 0.9cm/0.35inch
Packing List: 12 Pcs Dustless Sidewalk Chalk

Advantage: Washable sidewalk chalk set is perfect for outdoor activities, it washes off easily with water, leaving a clean floor for your next creation. The chalk sticks are specially formulated with safe ingredients that won't break easily and won't generate dust.

Instruction:Sidewalk chalk set is perfect for outside, home, office, classroom, blackboard, paper, cafe, chalkboard , window, wood for kids-writing, drawing and doodling.

Note: Solid Water Chalk is not suitable for painted chalkboard surfaces.