<p>The Duet is a contemporary unisex bangle, finished in polished 'two-tone' gold plate and stainless steel. Contains two powerful Central Reverse Polarity magnets.</p> <p>Available in three sizes:<br></p> Small fits 130-150mm wrist circumference Medium fits 150-190mm wrist circumference Large fits 180-215mm wrist circumference <p>Bioflow products should not be worn by anyone fitted with a heart pacemaker or other implant that could be affected by a strong magnetic field.</p> <p>These bracelets&nbsp;are water resistant and will withstand being out in the rain or washing your hands. They are not suitable for any kind of prolonged water exposure or submersion (e.g. showering, bathing or swimming). As long as this guidance is followed, Bioflow magnets are guaranteed for life.</p>