Case-Mate Introduces Tank, A "Military-Grade" iPhone Case

Case-Mate is taking on Otterbox for the claim of best super-protective case. The Otterbox Defender series has long-been the go-to case for those looking to keep their iPhone free from harm -- but Case-Mate says the Tank provides military-grade protection for the iPhone 4 and 4S.



Modeled after motorcycle helmet engineering, Tank is
designed with a hard, impact resistant exterior and a shock