Beads sold PER SINGLE STRAND. Sizes vary by the size of your monitor. Compare bead size to a ruler. Product pictures are not necessarily sized to scale. Price shown on this page are for the smallest item. If you need bigger size, price will change according, so click the product, and then select the size. Strands are 13 inches long unless otherwise stated. Please note that 2mm is approximately the size of a small mustard seed.