Size adjustable. Gold-plated 18KGP. ‼️Important Notes (Please read carefully): ❗️Instant purchase without comment or silent transaction OK. Please proceed directly to the purchase button. ❗️As this is a handmade product, there may be traces of handcrafting (such as wrapping or glue), and welding marks on the pendant head. If you are concerned, please refrain from purchasing. ❗️All products use actual items, and we try to photograph them as closely as possible to the real thing, but the way they appear may differ depending on the model. Please check the product description and photos, and make your purchase only after you are satisfied. We cannot accept returns or exchanges for reasons such as "it's different from the image." ❗️Occasionally, damage may occur during shipping. If you contact us before rating, we will handle returns or repairs. We do not offer a lifetime warranty for accessories. Please consult with us regarding damage caused by your own use.