Seidio BD2-HK3SSG2A-BK DILEX Case and Holster Combo for use with AT&T Samsung Galaxy S II / Samsung Galaxy S II (International) - Black Overall thickness of only 2.2 mm Interior casing made from impact absorbing polymer Exterior skeleton provides extra protection at impact points Easy to put in and pull out of your pocket or purse and grooves for easy gripping For use with: Samsung Galaxy S II (compatible with AT&T and International versions only)