18K Rose Gold Plated with Austria Crystals Long Tail Fox Rings by Tidoo Material: Copper,AAA Cubic Zircon, Austrian Crystals. Micro Inlay Zircon; Three Times of Rose Gold Plating. Size available:7,8,9,10 Feature:Anti-allergic / Never fade / High Polished Maintenance: Clean with soft cloth; Avoid chemicals,friction; Avoid wear when sweating or bathing; Take off when sleeping.