Martha Stewart Crafts Martha Stewart Multi-Surface Chalkboard Blue, 6 oz Paint Multi-surface chalkboard paint by Martha Stewart Crafts Blue acrylic chalkboard paint Specially formulated to be used on any paintable surface, from woody to terracotta Allow every coat to dry completely before re-application, and apply 2-3 coats for best results Contains 6 fluid ounces of water-based, nontoxic formula