Air Chalk™ Spray 3oz Cans-Available in Red.Use Air Chalk to temporarily mark most surfaces. To clean just brush or wash off with soap and water like regular chalk. Spray on driveways, walls, grass, sand, snow, paper, cardboard. Make signs for birthdays, mark playing fields, decorate windows for Halloween or Christmas. Use your imagination! As with any product - we recommend that before it is applied you test on a small area to make sure there will be no adverse affects. Not Recommended for fabric. This product can only be shipped ground.