Magnets: This listing is an ADD ON option for the Classic Bracelet, or the wider heavy bracelets. A set of 2 Neodymium Rare Earth Magnets are set in the bracelets to align with the Heart and Lung Meridians.
For wider bracelets, you can have 2 sets of magnets (4 magnets total). The 4 magnets is not an option for the Classic Style. Only for the wider bracelets like these: