The If You Can Read This Back the F*** Up Car Window Sign from Kalan delivers a bold message without you lifting a finger. This eye-catching sign simply suctions to the inside of your car window, ensuring it’s visible to tailgaters behind you. Made for those who want to maintain a comfortable driving distance, its durable design ensures it stays in place, while its straightforward message is impossible to miss. Perfect for anyone tired of unwanted close encounters on the road, this sign is both practical and humorous, making your driving experience a little more relaxed.