6 curved round buttons 15mm / silver metal or bronze / engraved metal buttons, rounded dome button, vintage button Round curved shape. Material: metal Color: silver or bronze Diameter: 15 mm (size 24), 18 mm (size 28), 20 mm (size 32), 23 mm (size 36), 25 mm (size 40) Buckle on the back for fixing. Use: jewelry buttons, sewing button, high fashion button, metal button, brass button, bronze button, silver button, round button, curved button, round button, vintage button, jacket button, engraved button