Specification: 250*350*50mm, 500*350*50mm, 1000*300*45mm, 1000*350*50mm, 1000*380*50mm, 500*600*50mm, 470*600*34mm and so on Description: rubber speed hump/ roadway safety /speed bump/ traffic safety Material: caoutchouc, cinnamene-butadiene rubber and so on, reflective cat-eyes (option) Use: city road crossing, highway toll station, street crossing, virescence crossing, gas station crossing, parking carbarn, uptown and so on. Characteristic: new design, endurant temperature(-30c-60c), wearable, compression resistance, not depigmentation; reflective in darkness; installation easily and firmed. This product quality is the leading step in the same trade company, and got good honor at the domestic and abroad.