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 succesfully.5 Widely used, one of the newest traffic safe productions, a good helper of the manager, mainly used for city intersection, highroad crossing, toll gate, garden, village, parking lot, and gas station, etc.