These are an authentic strand of Translucent fancy cobalt blue crumb matched annular Handmade African glass Trade beads. These beads are made from powder glass or recycled glass from the Kroboland in Ghana West Africa. These pieces were then hand strung. 100% hand made not machine made. These are great for your Jewelry Making. These beads are mearsure 11 mm diameter, 22 inches long necklace.