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From Amazon I've bought several of these in various colours (not that pink, though ;)) and I really like the cases. http://www.amazon.com/Deluxe-chrome...qid=1383453490&sr=1-11&keywords=iphone+4+case

The rubberized case isn't sticky in one's hand, but rather enables a secure grasp on the iPhone. It also has a velveteen-like liner which is nice for protecting the back of the phone.

The case fits the phone snugly yet it's relatively easy to remove when I want to change to another colour.
 
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