Polycarbonate hard shell on the back and shock-absorbing TPU edges for reliable protection. (Tested with 26 drops from 1.2 m, according to US MIL-STD-810 G). 1.3 mm raised edge area to ensure complete screen protection in the event of a drop. 1.5 mm thin and elegant case made of 100% transparent materials with anti-yellow effect. Integrated protective buttons and precise port cut-outs guarantee easy operation.