What makes an umbrella waterproof?

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Tags

1. #faster
2. #nylon
3. #water
4. #drops
5. #spraying
6. #makes
7. #spray
8. #attracting
9. #absorb
10. #polyester
11. #instead
12. #fabric
13. #proofing
14. #resistant
15. #umbrellas
16. #repels
17. #because
18. #silicone
19. #improved
20. #woven
21. #stand
22. #tightly
23. #cases