Approximately 6.4mm torch-fired Light Blue enameled copper corrugated round beads by C-Koop Beads. Some beads appear more corrugated than others due to varying thickness of the enamel. Handmade in the USA. These bright, colorful artisan components are made in the U.S.A. Handmade; expect some variation. Enamel color coating may be on one side or both sides.