Maston Chalk is an safe-to-use sprayable chalk mixture that can be washed off with just water. Suitable for tarmac, grass, sand, metal, asphalt, glass, snow, ice etc. Porous materials may affect the washability of the product.
HOW TO USE: Use on dry surfaces. When spraying, hold the can in a 45 degree angle and at a distance of 5-15 cm from the object.
Chalk is dry between 2-8 minutes depending on the drying conditions and can be washed away with water.
Coverage up to 25 meters.