Miyuki is Japan’s oldest seed bead manufacturer. Miyuki seed beads are known for being high quality beads. They are very uniform in size & shape. The holes are larger, than many other brands, allowing for more passes of thread. The Miyuki seed beads working beautifully for bead weaving, beadwork, simple stringing for jewelry & more. The beads are packed in a reusable 5 plastic tube. Opaque (OP) - a solid color that does not transmit light. You cannot see through the glass. The color name & Miyuki number are in the title line. Example: 11-999. The 11 indicates the size, the rest is the Miyuki color number. Size: 11o Approximate Diameter: 2mm. Approximate hole size: 1mm. Material: Glass Manufacturer: Miyuki Co, Japan Approximate weight per tube: 23-24 grams. Approximate beads per gram: 110 Approximate beads per tube: 2600 Approximate beads per inch: 18 Quantity: 1 tube of beads. Miyuki Seed Beads 11/0 Opaque Falcon Gray 11-499 24G, Round Beads, Glass Size 11 Japanese