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  These
ordinary looking sun glasses have a unique feature...you can see
behind you. The Spy Glasses have a special coating that
allows you to look straight ahead and still see what is going on
behind you. UV400 coating.
Stylish and great for walking and
biking. You won't need to turn your head to see if a car is
coming. It'll be like you have a rear view mirror with you. Have
you ever thought you were being followed? Now, no one can sneak
up behind you. These spy sun glasses make a great novelty gift!
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