This string of 6 square beads measures 4 3/4 inches with the glass bead spacers. The beads measure about 20mm square X about 8mm thick. The beads are kiln annealed for strength and durability and are wound on 3/32 inch mandrels. I didn’t realize until I looked at the pictures they look like smashed caramels. They are very earthy and not perfectly square. They have a swirl pattern embossed on both sides.