Diy Custom Case Justin Biber for Iphone 4/4S Cover Case Hard Case Cover with Silicone Core Fits Sprint, T-mobile, AT&T and Verizon IPhone 4s Case 101064 Made from durable plastic. The case covers the back and corners of your phone. Keep your Iphone 4s safe and protected in style. Shock absorbent, shatterproof, and anti-scratch material. Applicaton and removal are easy. TPU is more cut and tear resistant than rubber. It is abrasion resistant, and has a high degree of transparency.