the Temporary Car Parking Plates Have a One-touch Press Function, Which Can Easily Hide Your Phone Number & Conveniently Protect Your Privacy. Temporary Parking Phone Signs Are Made of Plastic, Beautiful Appearance, Cold & Heat Resistant, Sunscreen & Durable, Not Easy to Deform or Fade. Magnetic Number Are Covered with a Special Material, the Car Parking Phone Number Cards Absorb Light During the Day & Glow at Night, Your Phone Number Can be Seen Even in the Darkness.