12 Heart 7/8" Rhinestone Ribbon Buckles for Wedding Invation Card Exclusive sold by Manufacturer: Custom Products Collection. 12 pieces of Heart Rhinestone Buckle Slider, Great for Invitation card, Gift box, Ring pillows, etc.. Size approx. 1.2" x 1.1", inside center bar: 7/8" Fit for: 3/4" or thicker Ribbon Materials: Silver plating with A+ grade Rhinestone.