The Sadie Rainbow Necklace is a mix of 3mm beads & large synthetic pearls. • 14 K gold filled & elastic string • Handstrung in College Station, Texas. Sourced in the US. • Waterproof, workout proof & tarnish proof • Care tips - harsh chemicals can cause slight darkening View our sizing guide Beaded Blondes offers styles with both freshwater and synthetic pearls—this design features synthetic pearls for a perfectly symmetrical, uniform look.