You are buying one hank 12/20 of Brown Iris Czech seed beads. There are about 18 beads per inch, & you are looking at approximately 4300 beads per hank The size of a bead is about 2.1mm with 0.6mm hole. Versatile & classy blue iris metallic color will add a marvelous look to your jewelry! 11/0 Brown Iris Czech Seed Beads - 12/20