Color: Silver Shape: Catch/Stud earrings Stone: Cubic Zirconia Top size: Approximately 12mm Although it looks like there's a hole in the photo, there's a transparent cubic zirconia in the center ☆ The front part of the earring pin and the catch are made of silicone. I cannot guarantee that everyone will not have an allergic reaction m(*_ _)m I will disinfect with alcohol, dry, and ship. Thank you for your understanding.