Check the listing for details. Rust-Oleum 206540 Specialty Chalkboard Brush-On Paint, 30 Oz, Flat Black. Condition: New. Listed at 26.99 USD. Rust-Oleum 206540 Specialty Chalkboard Brush-On Paint, 30 Oz, Flat Black Rust-Oleum Specialty Chalkboard Paint can covert wood, metal, plastic, glass, paperboard, hardboard and more into a usable chalkboard. Create custom chalkboards in any shape or size on almost any surface including walls, small décor objects and furniture. Ideal for creating a custom interior chalkboard on multiple surfaces including wood, metal, masonry, drywall, plaster, glass, concrete, paperboard and hardboardApply the oil-based formula over a hard surface for chalk writing on most indoor surfacesCovers between 95-120 sq. ft and dries to the touch in 30 minutesCreates a chalkboard that is scratch resistant, smooth and erases easily after useFor optimal results before writing on surface, wait 24 hours after application and condition surface for use by rubbing side of chalk over surface and erasingSoap & water clean upIndoor use only