... 2.cold/hot resistant, 3.anti-impact/cra good quality of rubber speed hump : 1. One time forming, cold resistant, hot resistant ... be moved easily. 2. With the reflective film, the color of bucket is very bright and it is also attractive in ... night. 3. Used: Mainly used in the entrance of the highway, the crossing of the roads, railway, driveway, bridge in the traffic ...