Novelty Spy Sunglasses with a mirror so you can see behind you without turning your head AND still looking cool! See What’s Behind You! The special secret coating gives you “rear vision”. These specially made sunglasses have a mirror on each side allowing you to see what’s going on behind you. From the front these are tinted enough that people won’t be able to see where you are looking. Very cool sunglasses for any age. Ages 3+ These glasses are made of thicker plastic so they can take more punishment.