Okay, you won’t actually drop a bowling ball on your device, but this is worth taking a look at.
http://www.zdnet.com/blog/perlow/g-forms-poron-xrd-extreme-sleeve-bowling-ball-meets-ipad-tablet-lives/16767
If they could just make this “splash resistant” for my iPhone, I’d love to try it. Until then, I’ll have to stick with my Otterbox Defender.