● Company Management Number: R4-5-01 Gentle colors, a calm and quiet atmosphere, lavender ● Materials AAA Natural Stone Lavender Phantom Amethyst, approx. 6mm ● Inner circumference size: approx. 160mm (Ladies' L size) Uses Ope-ron rubber, elastic Please ask any questions about size changes before purchasing. ● Comes with a gift pouch, usually ships on the same business day or the next business day. ● Stone Words: ☆ Amethyst: Japanese name: Purple Crystal February birthstone, stone of love's protection A gem that gives deep love between men and women, fidelity, sincerity, courage, and pleasant dreams. Phantom refers to the formation of a pyramid-shaped triangle mountain within the crystal due to the repeated inclusion of air bubbles, chlorite, minerals, etc., during the long growth process of the crystal.