Characteristics: 1 specialized designed, notable decelerate effect, without noise and uncomfortable feeling 2 high intensity rubber, firm and useful, good anti-impact ability 3 set up flexibly according the request of the customer, convenient installment 4 black and yellow, affect in day and night, attack the attention of the drivers to decelerate successfully 5 widely used, one of the newest traffic safe productions , a good helper of the manager Usage: Mainly used for city intersection, highroad crossing, toll gate, garden, village, parking lot, and gas station, etc.