These brilliant glass beads are made using techniques pioneered in Czechoslovakia. Beads such as these were produced during the 19th and 20th centuries by Europeans for the African trade. To this day, Czech artisans are world re-known for the quality of their glass and the expertise of their handiwork. Individual beads measure 5 x 8mm. Each strand has approximately 110 beads. Make your own jewelry, wear them as is, or add them to your collection of beaded treasures.