TPU Gel Case with 3-D Carbon Effect BLUE/BLACK for the Samsung Galaxy S3/SIII/i9300 ~ Compatible with AT&T Verizon Sprint T-Mobile and other American Carriers This case is made of tpu material with a carbon like material attached to the back Feels very good in the hand and gives you more secure grip on your phone Compatible only with the Samsung Galaxy S3/SIII/i9300