SWISS+CASE Alpine Case for Samsung Galaxy S4 - Retail Packaging - Black Keep your Samsung Galaxy S4 safe and protected in style. Slip onto your Samsung Galaxy S4 to add color. TPU is more cut and tear resistant than rubber. It is abrasion resistant, and has a high degree of transparency. This skin is more stiff than silicone skins, but remains flexible. Application and removal are easy Shock absorbent, shatterproof, and anti-scratch material