This star stud labret is perfect for all occasions, both casual wear and going out. It features a five-point star top, which is made from 14-carat gold. The labret bar is made from bio-plast, a bio-compatible plastic that is perfect for people with metal allergies. Additionally, it is very comfortable to wear since it is slightly flexible. You can wear these labrets in a variety of piercings. They are 16 gauge/ 1.2 mm thick and will fit in lip piercings and ear cartilage piercings. Such as: tragus, helix and flat. Plus, you can cut bio-plast to any length, so they are sure to fit perfectly.