Provides easy & convenient access to contact information ; Works on any smooth surface ; Ideal for business front doors, vehicle windows & outdoor signs ; Unbreakable & weather-resistant ; UV protection against fading ; Wont harm painted surfaces ; Detachable mounting plate ; Built-in slot keeps front cards always on display ; Holds up to 50 cards ; Includes adhesive tape pad & mounting bracket ; Dim: 2.75H x 4.25W x 1.5D;