Boostcase Hybrid Snap-on Case / Extended Battery for iPhone 4/4S (White/White)

Achieve both power and protection for your iPhone 4 or 4S with the Hybrid Snap-on Case / Extended Battery for iPhone 4/4S (White/White) from Boostcase. The protective case snaps onto the phone and is both slim and lightweight. Plus, it comes with an optional snap-on extended battery pack.