Fruit Shapes Jumbo Puzzle Chalk Chalk washes out with water. Chalk contains colorants that may stain clothing. Chalk is designed to be used on driveways, sidewalks and general pavement. To remove designs, wash using high pressure of a lawn and garden hose. Afterwards, it may be necessary to sweep area with a broom to remove chalk powder. Do not leave chalk on surfaces for more than a week. #sidewalk #chalk T001 2406