SAFE MATERIALS: Hypoallergenic, nickel-free, lead-free and durable. Suitable for sensitive skin, never turns fingers green and provides long-lasting shine. Its smooth surface can bring you a good wearing experience.Adjustable Ring: The ring features an open design that can be easily expanded or contracted to various sizes by manual bending, making it suitable for most people. Easy to match with clothes. Perfect for any occasion.IDEAL GIFT: Beautiful silver ring gift for retro culture lovers, hip hop lovers, boyfriend/girlfriend, husband/wife, brother/sister, family and friends. Perfect gift for Valentine's Day, birthdays, anniversaries, graduations and Christmas. This adjustable chunky ring can also be used as a finger ring, thumb ring, toe ring, fidget ring and more. Note: The data is manual measurement, please allow 1-3cm error, due to differences between light and screen, there will be a certain color difference, the specific received in nature prevail.