Quantity 1 Gender Unisex Suitable for Adults Protection UV400 Frame Color Black Lens Color Grey Frame Material PC Lens Material Resin Lens Height 40 mm Lens Width 55 mm Bridge Distance 15 mm Overall Width of Frame 145 mm Temple Length 140 mm Features Anti-track Others The spy glasses look like an Normal UV sun glasses; 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; 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 Packing List 1 x Pair of glasses 1 x Glasses case