Visible Warning: Our Slow Down Speed Limit 20 MPH Signs are bright and easy to spot. High Reflectivity: The durable sign is made from reflective aluminium for high visibility. · Perfect Size Easy to Install: It comes with 2 pre-drilled holes at the top and bottom for easy installation. Slow Down Speed Limit 30 Sign Metal MPH Slow Warning Traffic Road Street Sign Reflective T&R (4 Pack) Slow Down Speed Limit 10 MPH Sign, Slow Down Sign, 18 Speed Limit Sign Outdoor service life up to 10 years. Use this slow down sign to remind drivers not to speed. Aluminum signs are made with 3M's reflective engineer grade film. Sign is visible in all conditions It is corrosion preventing, UV protected, waterproof, weatherproof, non-fading and reflective. 040 Aluminum materials to manufacture our signs.
