The otterbox Preserver carbon is absolutely water proof and shielding cover. And unlike other water proof cases, it doesn’t look chunky and unpleasant. The design is solid looking and slim. The main idea of the preserver case is to make happy all those who are complaining about bulkiness of defender Ottebox cases and unlikable outer layout. Of course this case are not protective as defender ones, but still dependable for above average caring. Based on proofs, the case still allows all keys accessible and no major decline on sound quality. So this is recommended option for anyone who is in search of a smart looking cover with some cool defensive aspects.