Hello, Welcome to our store! Metarial: Gold plated, A grade rhinestone,enamel Measurements Inches (Approx): 2" x2" (embellishment size) with 1 1/2" ring diameter Measurements Millimeters (Approx): 50mm x 50mm (embellishment size) with 40mm ring diameter Backing: Napkin Ring Quantity: 12 pcs To see other Rhinestone Napkin Ring designs click here: https://www.etsy.com/shop/Niceboutique?ref=hdr_shop_menu§ion_id=19843191 12 Pcs Spring Flower Napkin Rings Table Decor Diamante, Everyday Use, For Tableware, Decorative Holders