The Negative Ion Rings are made of 100% BPA-free, high-quality grade silicone, infused with Si Bin and Black Tourmaline. These rings are designed to provide absolute comfort while optimizing your overall health.

Si Bin & Black Tourmaline Benefits:

• Increases stamina*

• Enhances your body’s balance and center*

• Enhances metabolism*

• Enhances your body’s immune system*

• Stabilizes your body’s electrical balance*

• Improves concentration and focus*

• Aids in fatigue recovery*

• Aids in elimination of bacteria*