Skull face is Swarovski. I also use stones for headphones. Recommended for various coordination. →The color of the photo and the real thing may be different. →it may be broken depending on how it is used,So please treat it carefully. →Our shop processes orders from Monday to Friday. All orders placed on weekends will be shipped on Monday. →If you have any questions, please send us a Pinkoi message. →Our designers have a day-job. We will respond to Pinkoi messages as quickly as we can. Thank you for your patience. size is free.