1991-830 Features: -Adheres to gravel, soil, grass, concrete and blacktop.-Durable enough to withstand general weathering.-Convenient spray-through cap makes spraying easier and cleaner.-For use with or without Rust-Oleum Marking Wand.-Solvent based.-Fluorescent Red.-11 oz aerosol spray. Construction: -Perfect for highlighting underground utilities, construction sites, road surfaces, athletic fields and more.