Approximately 13x5x6mm silver plated Britannia pewter TierraCast® decorative "legend" necklace bails, 1mm loop. Silver plate is a thin surface layer of actual silver. Necklace bails make adding a jewelry focal to your cord easy. Fits up to 2.8mm cord and chain. This style does not open – slide over necklace and use a jump ring to attach pendant. Measurements include loops. TierraCast Safety Compliance.