1-piece lightweight 100% recycled rubber. Resistant to corrosion, moisture, oil, weather variations. Perfect for speed reduction in parking lots, school zones and areas with heavy pedestrian traffic. Black with bright yellow reflective stripes for maximum daytime visibility. Reflectors offer maximum night time visibility. Easily installed with 14" rebar spike for permanent or temporary installation (sold separately). Size: 11"W x 2 1/4"H.