Glow in the Dark Yellow/Bright Green -Size 8&deg; Japanese Seed Beads Size: 8/0 round seedbeads Dimensions: 2.9mm wide x 2.3mm in length with a .9mm hole. Measurement is approximate as different finishes and coatings can vary the size of the bead slightly. Quantity: Each 20 gram tubes contains approximately 800 beads. Material: Glass Made by Toho in Japan