Rust-Oleum Corporation 243783 Specialty Chalkboard Tint Base, 29 oz. This product adds a great value Elegant design and smooth finish The product is manufactured in United States Can be applied to wood, metal, masonry, drywall, plaster, glass, concrete, terra cotta, paperboard, and hardboard. Create a ready-to-use, writeable-erasable finish in just a few quick and easy steps! For indoor applications only. Cleans up easily with soap and water. Child-safe - non-toxic when dry.