Rocaille seed beads are squat and rounded in shape, they're slightly wider around than they are tall. 11/0 seed beads measure approximately 2.1 millimeters. Expect to receive about 4000 beads per hank. A standard hank is a group of about 12 strands approximately 20-inch in length grouped together. Always be certain to purchase a few more beads than you expect to need to avoid finding yourself a day late and a bead short. Preciosa ornela traditional czech glass seed beads exhibit superior quality, outstanding uniformity, and exceptional breadth of assortment, making them the perfect choice for any beading project. Not intended for children under 12 years of age.