About Reflective Finish Spray Rust-Oleum® Specialty Reflective Finish Spray illuminates painted surfaces under direct headlights for nighttime visibility and safety. Apply to metal, wood, plastic, concrete or masonry. Indoor/outdoor Semi-transparent finish Great for mailboxes, gates and trash cans
For Best Results Shake can approximately 4 seconds for every 15 seconds of use. Do not apply heavy coats that look wet. Effect works best with light coats.