+ pure titanium + 8mm wide + competitive price + 100pcs ... FIR, negative ions etc.Surface settingCZ stones, carbon fiber, gold foil, cable, silicone etc.Finishing craftshinning, matte, sandblasting etcIP ... colorgold, rose gold ,black,coffee,silver,Bronze, blue...keep 3-5years ... Necklace T105 HOT Titanium Necklace - Pure Titanium ION Necklace