fashional titanium sports balance necklace 1> Stimulating blood circulation 2>material :silicone 3>customized logo 4>hot fashional titanium sports balance necklace1> Stimulating blood circulation2>material :silicone 3>customized logo 4> various colors1.Titanium Necklace:1>Material: surface nylon , inner silicone cord with titanium germanium ingredient2>Peculiarity: One rope or three rope or ...