These Iridescent Glass Charms feature an electroplated coating, creating beautiful faceted surfaces with a stunning range of rose hues. Elevate any accessory with a touch of elegance and shimmer. * 18k Gold Plated * Brass * Size: Varies 13~14x6.5x4~4.5mm All charms come with 18 gauge 24k gold plated stainless steel jump rings, pre-installed to each charm. Our jewelry is carefully curated to make you feel beautiful and confident. We take pride in utilizing premium components sourced from high-quality materials. For instructions on install charms to necklace or carabiner, please see our video tutorial here.