ionic titanium necklace 1) Made of 100% silicone rubber, harmless to body 2) Debossed, embossed logos 3) Different colors ionic titanium necklaceFeatures: 1) Made of 100% silicone rubber, harmless to body2) Different colors and sizes available3) Colors: single color, multicolor, and mixed color4) Can be made according to customers' samples ionic titanium necklace