Size 8/0 round seed beads from Miyuki Co., Ltd., of Japan are very consistent in size and color. Precision-manufactured, each bead is about 3mm in diameter with a 1mm hole size. They are sold in 5" capped tubes (12.7cm) containing approximately 22 grams of beads. Commonly referred to as "rocailles," Miyuki round seed beads are perfect for bead weaving, jewelry-making and stringing, embroidery, loom work, Japanese kumihimo and other creative DIY projects.