Our black shiny opaque finish coin shaped plastic alphabet measure 7mm diameter by 4mm thick and have a 1mm hole which runs horizontally to the numbers which are imprinted on both sides of the beads in various colors. These craft beads are imported from China and sold in packs of approx. 250 beads. Our alpha beads are perfect for personalizing necklaces, bracelets, key chains and all manner of kandi designs. This packs contains a random mix of numbers.