These are authentic Mali Wedding Beads, made in Czechoslovakia in the early 1900's and traded in Mali, Africa, where they were worn as a sign of succss and status. 28 inch strand. Bead sizes vary, but approximately 15 by 25 mm. Being that they are over 100 years old, expect the beads to show wear and tear from use over the years. This is considered to add value as it authenticates the beads and distinguishes them from the many imitations.