ADJUSTABLE RINGS. Giving this as a gift? Don't worry, it comes in beautiful packaging, and ready for gift giving! If you would also like to include a small message, please leave a note during checkout. Most of the metal materials I use are: Brass These metal are not pure silver but contain a percentage of it. They are also hypoallergenic and have a high resistance to oxidation and aging. Follow us on Instagram: MOONDUST312