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. Each bead measures approximately 8-15 x 8-14mm, with a hole size of approximately 2mm. You will receive one strand measuring approximately 33". There are around 8-15 x 8-14mm beads on each strand. Make your own jewelry, wear them as is, or add them to your collection of beaded treasures.