Product Features: weather proof. Adhesive base, suitable for exterior use. Ensure that the surface that you are applying the sticker to is dry and clean. Pack of 6 pieces Installation step: 1: Clean the car surface, 2. Put the car sticker onto installation location and get rid of the car sticker holder 3: Adjust the car sticker to the right position 4: Use a scraper to scrape the surface of car sticker until there is no bubble 5: Get rid of the transfer film 6: Make the innerside of car sticker as dry as possible, could use a blow dryer Note: Do not put the car under hot sun in 48 hours Do not wash the car in 48 hours Do not install the decals in the very cold surrounding.