... 1)silicone material, Non-toxic for body. 2)SGS,ROHS standard 2)Used for mobile phone. Silicone Mobile Phone keypad 1) Material :100% ... even under extremely high or low temperature. 4)Applications: Mobile Phones, Calculators, Hand-held Games, PC, Notebook Computers ... , Switches, Remote Controls, Micro Equipment, Typewriters, Cordless phone 5) All shapes and colors available for buyers design.