Notify passengers that smoking, vaping, eating or drinking is not permitted in your ride by placing these signs in their line of sight. This set includes a variety of waterproof stickers that may be placed on any smooth and hard surface inside your automobile. Why choose Trusty? Because the adhesive will not cause damage to painted walls, glass mirrors, wooden doors, metal toilet stall partitions, plastic soap dispensers or glazed ceramic tile backsplashes upon removal.