Add colorful metallic luster to your jewelry designs using these Czech glass fire-polished beads. Featuring an opaque jet black background, these 8mm beads are coated in an iridescent finish to reflect light in a unique array of metallic rainbow sparkles. String them together for a retro look or use one as the focal point in a necklace or bracelet design. Czech glass beads are still made in small quantities by hand and may display slight variations in appearance. These beads are sold in a 25-piece pack.