... material12.CE/RoHS certifiedQuestions: 1:What is the raw material of your skull earphone ,the plastic or ... For this earphone ,it is plastic . 2:What kind of earpads silincone can you provide ?For the size ... with Ipod,Iphone and another Mobilphone ?Yes,of course ,the difference is jack ,different jack ... reference Color Requirements :We can make every part of earphone for different color,such as white , ...