Perfect for use with Securit's Chalkmaster liquid chalk pens, this powerful spray guarantees effective and rapid performance, saving you time and effort while preventing any damage to your board caused via extensive scrubbing or washing. The quick drying action of this premium chalkboard cleaner also allows your boards to be quickly used again, enabling fast and responsive changes to your chalkboard advertising. The spray also prevents traces and shadowing from previous messages, ensuring your new designs, displays and messages are clearly visible, helping to attract passers-by into your establishment.