Trisolina Collar, T ubogas handcrafted in 18K Yellow Gold Metal: Polished 18K Yellow Gold, Titanium and Silver inside spring This necklace measures 5mm in thickness and comes in three sizes: Small: 107mm in diameter Medium: 117mm in diameter Large: 122mm in diameter Please note: Marina B ships internationally. If you would like to make a purchase outside of the United States, please contact us at info@marinab.com