Regulus jewelry outer layer also has a layer of silicon dioxide nano protection technology, let the color more durable. Not easy to fade.Original design, using jewelry technology to process silver ornaments, product life is more than 5 times of ordinary products. You can give this gift from the universe and blessing from other planets to the people you like, and protect her with this necklace.Maintenance and precautions-Avoid collisions and surface scratches.-Take it off in the shower.-When not wearing, be sure to dry thoroughly before storage to prevent moisture from tarnishing.-Avoid using lotions, perfumes, and spraying directly on the plated jewelry, because chemicals can easily make it tarnished.-Wipe with a soft cloth when cleaning Necklace.If you have any questions, please feel free to contact us via Amazon information and we will reply within 24 hours.