Convenient Ecologically. Soluble in water Street Art Games Chalk spray in the Lütten 100 ml can takes playing fields to completely new places — whether steps or walkways — anything that has a surface can be sprayed with chalk spray and washed off with water/rain. The Street Art Games chalk spray (white) is particularly suitable for dark surfaces or for overspraying other chalk spray colors to create new color combinations. White underneath, white on, vulture knows... you are the street artist. With one can, you can spray around 8 street art games and dispose of the can as usual with household waste — so that it can then be recycled. That's the way it goes...