Discover intense highlights in looks with a double dose of sparkle from these 4mm fire-polished Czech glass beads with an AB finish. The AB finish stands for Aurora Borealis, and is meant to make your beads sparkle and change color like the Northern Lights. Every angle creates a new rainbow reflection, making your designs twinkle with each move you make. Their 3mm size is perfect to use as a spacer so your jewelry just gets a touch of sparkle.