The Flip-Case makes the galactic Samsung a noble smartphone. The S2 fits like a glove. Those who wish to use the larger battery (original Samsung EB-K1A2EBEGSTD), just believe me: It does not fit! The back of the case is made of plastic inside to the device to provide a secure fit, which is actually a good thing - but this prevented (by the back of the new S2) the use of larger batteries. This is just a hint.
Although the magnetic button is really not the strongest, but still serves its purpose. But if someone is wearing the phone in tight pockets (eg trousers etc), it may be assured that the magnet jumps possibly.
All in all a nice and stable flip-case with openings for camera, speaker and headset. To connect the charging / data cable, the case must be opened.