EEA Silicone TPU S Line Wave Case for iPhone 4 4S (Clear) Protect your phone instantly from scratches, dirt and scuffs Unique design allows easy access to all buttons, controls and ports without having to remove the case TPU, also known as thermoplastic polyurethane, is more cut and tear resistant than rubber. Compared to Silicone, TPU is stiffer to the touch, but still remains flexible This case is shock absorbent, shatterproof, and is anti-scratch material Compatible: Apple iPhone 4 4S