... Main feature Horn stand,silicone speaker ,silicone holder,Silicone Cover Case,Case For iphone, Silicone Case for Iphone 4G, ... 4G, Silcone Cover for Apple Iphone 4G, Fashional Silicone Case for Iphone 4gNamehorn standCertificateSGSMaterial100% siliconeEco-friendlyYes Use ... electricity, it is absolutely environmental friendly.Silicone Material make by 100% silicone material, environmental,safe to human ...