... -resistant,non-poisonous, on harm 3.suitable for advertisement. one way vision window vinyl film Item name:One way vision ... on harm 3.suitable for advertisement,promotion, etc4. Widely used for signage display,vechicle and subway window,shop window and glasswalls of building ... advertisements on cars,buses,train,tram,etc,;2.Ideal for window advertisements on buildings. offices and shops etc.,3.Excellent ...