Use PC material New TPU material Fashionable design, Molding in One Creative simple design, two mixed color, molding in one, super thin design fit the phone closely, give your phone super protection. TPU+PC combine better tenacity, light and wearable, impact resistant, super protection.Chamfer design, experience upgrade 45 Degree chamfer design, good touching, reduce the friction and upgrade the experience.Precise holes special for S5, precise button hole, smooth operation The design of raising the screen reduces the friction between the screen and back cover, protect the screen better.