The necklace you'll never want to take off! This timeleSTERLING chain is super easy to wear, and adds instant luxe vibes to any outfit. - Chain thickneSTERLING: 5mm. - 14k yellow gold-plated (thick layer- highest quality) on braSTERLING. - We do not recommend swimming, showering or exercising with this bracelet. - Available in 2mm thickneSTERLING here.