This case was engineered with 2 layers protection for apple device .Exterior is hard pc back shell with suitcase texture .Interior is high quality soft TPU material .With Air cushion at 4 corners ,it keep your phone from damages ,bumps ,scuffs .Shock-absorption protection .Precise outlet cutout ,access to all of function keys .easy installation ,just embed your iphone in this case ,Slim fit for iphone ,protect your phone without any bulk.