Material: 925 Silver Plated; Size: Approx . 15mm(Diameter) x2.5mm(W)/0.6"x0.1", inner diameter is 10mm/0.4"; Stone: Top Quality Cubic Zirconia; Shipping: Item will be shipped within 1 business day after payment clears. Shipping Options: Free US Standard Shipping with a Tracking Number. Care for Plated Jewelry: To avoid tarnish, limit exposure to water, perfume, Chemical or body cream etc. Please keep in a plastic bag while storing it. Do not use silver or jewelry liquid cleaner, wipe with a jewelry cloth .