Rust-Oleum Chalkboard converts surfaces into a usable chalkboard. Apply to metal, wood, masonry, drywall, plaster, glass, concrete, unglazed ceramics and hardboard. Erases cleanly. Painted chalkboards are for indoor use only. Chalkboard painted surface can be cleaned with soap and water. Available in black spray paint, pre-mixed brush-on paint in black and green, and as a tint base that can be mixed at your retailer's paint counter. If you're looking for a chalky matte paint, please visit the Rust-Oleum Chalked ® product line. FOR BEST RESULTS Apply Chalkboard brush paint with a foam roller but avoid excessive rolling. Allow paint to dry for 3 days Once the paint has cured, prepare the surface for chalk by rubbing side of chalk over entire surface and erasing. Do not use an abrasive sponge to clean the chalkboard surface. AVAILABLE SIZES Spray Quart