traffic anti-bump road barrier 1) Diameter: 900mm Height: 920mm 2) impact strength:20kj/CM2 3) tensile strength:16.44Mpa reflection safe anti-bump road barrier 1.Form one-time,heat-resistant,cold-resistant,shock-resistant and not aging.2.Filling up the water more flexible buffer,emptying water can be flexible mobile.3.The oranger color affixing with a white or yellow tape,more eye-catching at ...