1Perfect combination of 4 elements: It adopts powerful magnets, germanium, far infrared and negative ion in each link to reduce pain, fatigue & muscle tension, improve blood circulation, activate cells energy and improve sleep 2Made of high quality titanium steel, safe and harmless, strong clasp which can stay put, stable, provides a long service life 3Fashion design: Designed to look great on women. Classic colors to match your attire, style & mood 4Can adjust size in the comfort of your own home by a link removal tool (Not Included!) 5It is a good gift for your girlfriend, family, co-workers or yourself