Retro Rewind's new breakthrough. Using popular style and making the item even better. This is an upgraded version of WF04 style in two tone colors paired with high quality polarized lenses. Not only the lenses have UV400 protection but this pair is also a polarized sunglasses. Having polarized lens protecting your eye is like doubling the protection layer against all sun radiation from different directions. This is a highly recommended merchandise to carry in your sunglasses store this season.12 pairs in each box, and safely ship the item to your door step.