Rust-Oleum's Industrial Choice MC1800 System Precision Line Inverted Marking Chalk is perfect to create bright, vivid temporary markings. This water-based paint creates marks that last up to 30 days on concrete, asphalt, gravel, grass, brick and dirt for any temporary marking applications. This paint provides crisp clean lines every time. Approximately 500-530 linear feet at 1.25 inches wide.