It might be waterproof to 100 feet, but TAT7's iPhone Scuba Case only includes three strategically-placed mechanical buttons for launching and operating the default camera app. So updating your Facebook profile from Davy Jones' locker isn't going to happen.
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This iPhone case will protect your phone in extreme conditions.
Monogrammed iPhone case - Soft pink and golden chevron - personalized Iphone 4 case (9875). $16.99, via Etsy.