MAG-PAINT has metal in it allowing magnetic covers to stick.  
Recommended: apply 2 coats over each board tops surface.  Use a roller to paint it on. Let each coat dry 30 minutes before applying the next coat of mag paint.
 
MAG-PAINT: Use to make a magnet cornhole wrap cover stick to your smooth surface cornhole boards. This allows you to change your board design in minutes. Changeable.
 
Multiple Uses:
Can be used for cornhole boards, walls, or projects on a smooth surface. Requires 2 coats on boards for best results.
 
The best magnetic paint on the market.