10 pcs Rhinestone Buckle Wholesale Buckle Crystal Slider Silver Wedding Invitation Wedding Supplies Napkin Ring BK061 Free shipping for additional items. Ship within one business day from California USA. Measurements (approx): 1.1" x 3/4" (28mm x 19mm), back bar: 7/8" (22mm) Materials: silver metal with A+ grade rhinestones Has a bar on the back. Buy with confidence. We are the biggest rhinestone product seller on Amazon with 2000 rhinestone products.