... high plasticPVC material12.CE/RoHS certifiedQuestions: 1:What is the raw material of your skull earphone ,the plastic or metal ?For this earphone ,it ... color,such as white ,black ,red ,blue and so on , but if you want to have many different color on different ... inspect the quality ,if not passed as like our contract ,our factory will rework,replacement or damage the defective items and make the new ...