RustOeum 12Oz Aged Grey Chalk SprayOne of the most amazing products which you won't know you needed until you have it. The Clear Chalkboard Spray from Rust Oleum is perfect for creating a fake chalkboard surface over any surface after just a single coat. It allows you write on that surface with any piece of chalk and it can be wiped away easily with soap and water as well. Best suited for surfaces which are generally inside the home all the time.