High-Strength Neodymium Magnets. Introducing the GMOX 99.99% Pure Copper Magnetic Therapy Bracelet. 99.99% Pure Copper. 99.99% Ultra-Pure Copper. Note: The natural darkening of pure copper is a normal, harmless oxidation process, and is a sign of genuine solid copper.

High-Strength Neodymium Magnets. Introducing the GMOX 99.99% Pure Copper Magnetic Therapy Bracelet. 99.99% Pure Copper. 99.99% Ultra-Pure Copper. Note: The natural darkening of pure copper is a normal, harmless oxidation process, and is a sign of genuine solid copper.

High-Strength Neodymium Magnets. Introducing the GMOX 99.99% Pure Copper Magnetic Therapy Bracelet. 99.99% Pure Copper. 99.99% Ultra-Pure Copper. Note: The natural darkening of pure copper is a normal, harmless oxidation process, and is a sign of genuine solid copper.