• Materials:?18k?gold plated stainless steel?(waterproof material)
• Measurements:?440mm/17.3" in length, 50mm/2" in extension length??3.5mm in width.
  
• Waterproof: This item is waterproof and tarnish-free, making it ideal for daily wear. You can confidently wear it while showering, swimming, or simply going about your day.