SEXY SPARKLES Choose Alphabet Letter Chunk Snap Button or Pendant Fits Snaps Chunk Bracelet Quantity:One Material: Zinc Metal Alloy+Glass(Lead ,Nickel Free) Measures: Approx:20mm( 6/8") Dia. Knob:5.5mm(2/8") Dia Letter D Glass Chunk Snap Buttons Fit Chunk Bracelets Round Silver Tone