1,It has favorable and can press of car also it will not be broken if it is striked by hard things 2,It is sunproof,waterproof,heart-resistant,cold-resistant,not slit,colorfast and so on 3,Red and white color is very striking .At night it can reflect dazzling light and make the drivers see clearly It is used on the crossing of roadways,maintainance of freeways,hotels, residental quarters,dangerous area,building sites and so on