Durable, robust and beautiful.Naturally aseptic to protect sensitive skin.October - Opal: In ancient Rome, opal symbolized the rainbow and was an amulet that brought good luck. The early Greeks believed in Opal, which had the power to foresee and predict the future. In Europe, opal is considered a representative of luck. The ancient Romans called it "Cupid Beauty Boy", a symbol of hope and purity.Perfect Gift: A good night for Christmas, a bouquet of roses for Valentine's Day, a card for birthday, a blessing for the graduation season, carnations for Mother's Day, a sweet date for anniversaries. can't miss these wonderful moments of you.Jewellery Tips: Avoid touching soap, detergent and do not wear it in humid environment. Please take off your jewellery before exercising to avoid exposure to sweat and oxidation.