This is a beautiful and valuable turquoise for adults, with a limited supply of matrix stone, sourced from the Kingman mine in Arizona! It's small but has a strong presence♡ Stone size: Approximately 8mm long x 5mm wide Necklace length: 44cm + 7cm adjuster. Avoid prolonged exposure to direct sunlight, moisture, and sweat. After use, wipe with a soft cloth. ⚠ Do not wear this necklace in the ocean (risk of discoloration). The hook that touches the skin is made of surgical stainless steel. It won't rust, irritate, or cause pain, providing a comfortable fit.