Neither too big nor too small, this Case is the perfect size for S3. No chance for the buttons on the wafer are activated by accident.
Obviously the protection is optimal thanks to the stiff leather but the size will be increased by a few millimeters! The S3 is rather large at the base, some people will benefit feel like a brick in your pocket.
Unless one is prepared to put 40 for the official flip cover, which is not growing the device while offering good protection, it remains in my opinion the most practical. To know that I used the same case for almost 2 years with a Wave 2. Remove the speed phone to answer turns out to be very simple and intuitive.