Made of 100% corrosion resistant vulcanized recycled rubber for long lasting durability and dependability Built to withstand abuse from ultraviolet light and precipitation including ice, road salt, gas and oil, and does not change with extreme weather swings The modular interlocking tongue and groove system, creates a uniform surface fit any road widths High-impact, high traction recycled rubber will not break, chip, crack, or fade Molded reflective tape on the mid-sections provide optimal visibility, even on a dark night and in bad weather, alerting drivers well in advance.