10 pcs Starfish Rhinestone Buckles Wholesale Buckles Crystal Sliders Silver Wedding Invitation Wedding Supplies Napkin Ring BK098 Free shipping for additional items. Ship within one business day from California USA. Measurements (approx): 40mm (1.6") in diameter, bar on the back: 25mm (1") Materials: silver metal with A+ grade rhinestones Shape: Starfish. Has a bar on the back Buy with confidence. We are the biggest rhinestone product seller on Amazon with 2000 rhinestone products.