Ring Size: This is a free size ring that can be adjusted by opening and closing it. Size of the natural cinnabar (vermilion) ring: Approximately 15mm*15mm*9mm thick; Cinnabar bead 8mm; Cinnabar content: over 90%, product number A4852; Metal material: alloy gold, comes with a pouch. Free size rings are recommended for people who: ● Are unsure about ring size, "I don't know my ring size..." ● Find rings tight due to swelling at night; Cinnabar is a natural mineral that is loved by people for its effects such as detoxification, calming the mind, and improving eyesight. It is currently used in various accessories. Cinnabar has the role of detoxification and preservation, and wearing it has the effect of suppressing and sterilizing. Accessories made of cinnabar are worn. There are many good meanings. To ward off evil, cinnabar has an extremely strong positive magnetic field. From Taoists, Buddhists, emperors, to the common people, everyone considers cinnabar to be an auspicious object. ■ Due to the shooting environment, the color of the photo may look slightly different from the actual product. Instant purchase OK. Thank you!