Glow in the Dark Crystal/Blue Splash -Size 11&deg; Japanese Seed Beads Size: 11/0 round seedbeads Dimensions: Approximately 2.2mm in diameter, hole fits up to 22 gauge wire and stringing material (.025 inch). Quantity: Each 20 gram tube of size 11/0 glass seedbeads contain approximately 1800-2000 beads. Material: Glass Made by Toho in Japan