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This is an awesome sticker and works pretty well for those who can read LOL. I say this because there are those drivers out there who don't care and just continue to crawl right up your behind. My husband loved the sticker because he is a deliverer and people are always following him way too close. However when he showed his employer the sticker, the employer said it was against regulations and rules to have it on the car. How ridiculous is that? It's not a company car it's our own personal car. Anyway I feel that this sticker is great and it has helped a great deal keep people at a distance.