Pandahall 50pcs Acrylic Faceted Crystal Clear Rhinestone Sewing Fastening Buttons 2-Hole with Silver Plated Rivoli Back Hole: 1mm Flat Round 15x4mm Acrylic Rhinestone Buttons, 2-Hole, Faceted & Silver Plated Rivoli Back, Flat Round, Clear Size: about 15mm in diameter, 4mm thick, hole: 1mm. The Rivoli family of jewelry-making components features a distinct look, with gleaming facets all meeting at a point at the center of each stone. They look great when used together or you can let one stand out among other jewelry components. Both functional and beautiful, these buttons come in variety of shapes with crystal colors are perfect for elegant designs. These buttons can be used as clasps in your jewelry designs, stacked together for bracelets, or used in craft and textile work. Whether you are a beader, crafter, or clothing designer, these buttons will provide you with ample opportunity for gorgeous embellishment.