Emergency Warning sign 1.Re-use 2.High quality and hot sell 3.Custom size is welcome 4.direct factory and low price Lastest Promotional Eergency Call Police Warning Sign Stick Description:1. Remove&save the protective strip from top of the sign2. Hang the sign inside a window facing traffic3. To store for re-use,replace the protective strip over the adhesive4. Long usage time5. Can post in any ...