Material: Stainless steel, tatinium Size: 45CM Color: Black Grade: High quality Health silicone necklace, wave energy necklace Material: Contains healthy elements, liquid titanium, negative ion, infrared ray, and germanium silicone Clasp: Strong magnet clasp Available in different colors Minimum order quantity: 300PCS/item Function: Titanium jewelry function: 1. Hypoallergenic and allergy free 2. Relieving rigidity of muscle, alleviate pain 3. Activating blood circulation and removing blood stasis Negative ions jewelry function: 1. Purification of blood 2. Restoration of cells 3. Increase of resisting power 4. Adjustment ability of autonomic nerves pain relief Far infrared jewelry function: 1. Enhancement of human immunity function 2. Improve micro circulatory system and metabolism of the body 3. Slow down the aging process 4. Increases resistance against diseases Magnet jewelry function: 1. Assisting in relief the rheumatism 2. Relieving muscle pain, mental tension 3. Balance high blood pressure and fatigue Germanium jewelry function: 1. Reinforcing vital energy, activating blood circulation 2. Improving expand resisting cancer and tumor 3. Maintaining vigor and vitality enhancing immunity