1 Good flexibility, good anti-roll ability, will not be damaged even when be bumped. 2 Anti-sun shining, anti-wind and rain, hot resistance, and not chap, not change color 3Red and white color, can attract the driver in the night by the shining relective light Used in the entrance of the city, the high way maintain procedure, hotel, housing, play ground, dangerous erea, roading buiding erea and so on.