Butterflies Napkin Rings in Champagne & Crystal Set of 4 in a Gift Box by Kim Seybert. Glass and acrylic gemstones and rhinestones adorn the spectacular cast Butterflies Napkin Ring. The gems and rhinestones are arranged in layers to mimic elaborate butterfly wings. The cast metal Butterflies Napkin Ring features a champagne-color metallic finish. Materials: 85% Metal. 10% Plastic. 5% Glass