Triangle design,put it on the car roof to reduce search time. Triangle design,put it on the car roof to reduce search time.Made of durable plastic with strong magnet or rubber magnet9.5(W) x11.7(H)cmblank or numbered or customized message attachedA wide selection of colors,red, grey, white, green, black, blue, purple, etcCan be stackable MOQ:100PCSUSD:5.3 each (EXW price)