12 Round 7/8" Rhinestone Ribbon Buckle for Wedding Invation Card Exclusive sold by Manufacturer: Custom Products Collection. 12 pieces of ROUND Rhinestone Buckle Slider, Great for Invitation card, Gift box, Ring pillows, etc.. Size approx. 1.1" Diameter, inside center bar: 7/8" Fit for: 3/4" - 1 1/4" Ribbon Materials: Silver plating with A+ grade Rhinestone.