Bugle beads are cut glass cane in a variety of colors and finishes. The diameter of the bugle beads is 2.5 mm and equivalent to a size 11/0 seed bead.
 
Beads are measured across at the widest point on the outside of the bead and along the length of the bead. Mill Hill Small Bugle Beads are 2.5 mm by 6mm.
 
Approximately 100 beads per pack (3.10 grams), for use in embroidery, bead work and general craft.