The Coastal Pearl is a mix of 3mm beads & 4mm freshwater pearls beads. • 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  Beaded Blondes offers styles with both freshwater and synthetic pearls—this design features fresh water pearls perfect for everyday wear. Please note these will all be uniquely shaped and colors may vary as they are natural.