Please note that pure copper does develop a patina over time when left untreated. Please note **Pure Copper will mark your wrist Green** Handmade with High Gauge Pure Copper. Unpolished, Uncoated and Non-Magnetic. Beautiful Design, High Qualty and Adjustable to Fit Any Size Wrist. Fair Trade and Crafted by Tibetan Artisans from Nepal. Hand Selected by Lama Dorje Jampa Tenzing. Great wellbeing product for you or as a meaningful gift. 100% Satisfaction Guaranteed. Comes with Certificate of Authenticity from .