Reflective surface on lenses allows you to see behind you
Details: Make sure no one can sneak up on you when you wear these spy glasses. Reflective surfaces on the lenses allow you to see behind you using your Peripheral vision. Adult size 5 3/4" Wide. Get all the gags, jokes, novelties and spy gear you need at Carnival Source. We have a wide range of unique novelty toys. Product Highlights: Adult size, 5 3/4" Wide, Reflective surface on lenses allows you to see behind you, Ages 3+.