... bright color 2.cold/hot resistant, 3.anti-impact/cra good quality of rubber speed hump : 1. One time forming, cold resistant ... . 3. Used: Mainly used in the entrance of the highway, the crossing of the roads, railway, driveway, bridge in the ... Prevention Corner Piece: Used for corner guard, good collision prevention performance. 5. Good chemical performance, aged-resistance and temperature resistance. ...