-Set includes 8 pieces Smile You're On Camera stickers, Size 5x1in. -Material: Made from vinyl Brushed Silver Sticker, it looks like metal, but it's not metal. The sticker is thin but very strong, waterproof and resistant against scratches. -This Smile Your are On Camera stickers let people know that you have a 24-hour surveillance record and is prohibited from trespassing on your private property. It can be posted on your car window, door, or wherever a special reminder is needed. -The stickers are very easy to use, with a strong adhesive on the back, just clean and dry the glass surface, peel off the release sticker and stick it on.