Miyuki is Japan’s oldest seed bead manufacturer. Their Japanese seed beads are world-famous for being high-quality, uniform in size & shape, & available in a wide variety of beautiful colors & finishes. MEASUREMENTS & MORE Approx Beads Per Gram: 12 Length: 4mm Width: 3mm Hole Size: 1.3mm Material: Glass Seed Bead 6-576 Miyuki Beads 6/0 Dyed Smoky Opal Silver Lined Alabaster 20 Grams Diy