10pc Antiqued Silver Skull Beads Slider Charms Fits 10mm Bands [Office Product] Quantity: 10pc Size: 20mm x 13mm( 6/8"x 4/8") Hole size: 10mmx7mm( 3/8"x 2/8") Thickness: 2mm( 1/8") 6mm( 2/8") Material: Zinc metal alloy(Cadmium Safe)