Waterproof solutions for iphone

In 2011 there were some solutions of making iphone waterproof! My problem is HOW can you feel safe to give your $500 iphone PLUS $50 to make it -theoretically- waterproof!!?? Anyway, if you dare ... The solutions are:

1. Liquipel ($69)
2. Krusell SEaLABox ($49.99)
3. iOttie Waterproof Skin Case ($11.99)
4. Eco Pod Waterproof Case ($44.37)
5. The Joy Factory RainBallet ($47.32)




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