Types of sunglasses:
1. Aviator classic
2. Aviator teardrop
3. Aviator square
4. Clubmaster/brow - line
5. Wayfarer
6. Hingeless
7. Round
8. Rectangle - rimless
9. Semi - rimless
10. Shield
11. Wrap - around rectangle
12. Persol
13. Sport
14. Biker goggle
15. Clip on sunglasses
16. Mountain style
17. Retro squared
18. Foldable
19. Cat eye
20. Butterfly