Rubber speed cushion seller 1. manufacture price 2. Weight: 280-320kg/set 3. Material: rubber 4. high slow effect Characteristic:1. It consists of 6 or 8 small pcs, in red or black color, and made from natural rubber.2. It is cost-efficient, durable service, tough enough for heavy traffic, and good slow effect, high anti-impact ability3. It is quick, easy way to install saving time and working4. ...