What a great spy gadget these glasses are. These clever Spy Glasses have a discrete mirrored surface on the inside so you can see in front AND behind.
Have you ever thought you were being followed? Now no one can sneak up behind you.
These spy glasses look like an ordinary pair of sunglasses, yet they have a unique feature...you can see behind you.
The lenses on these spy glasses have a special coating that allows you to look straight ahead and still see what is going on behind you.