Dulux Duramax Magnetic Chalkboard is an easy-to-use spray paint that creates a magnetic chalkboard finish with minimal effort. Ideal for use on smooth surfaces including metal, wood and most plastics, it allows you to instantly transform an interior surface into a creative opportunity. Use it in the kitchen, home office or playroom for shopping lists, special messages and keeping score. The magnetic finish means it can double as a bulletin board to display artwork and invitations.