Our black shiny opaque plastic rondelle beads measure 7mm wide by 4mm high (at the highest point) with a 1.5mm hole which runs vertically through the center of the bead. These plastic / acrylic craft beads are imported from China and these come in packs of approx. 600 beads. Craft Beads are ideal for making necklaces, bracelets, key chain and other jewelry projects, as well as holiday decorations, home bedazzling and many other craft ideas. They are also perfect for children's craft projects and church or activity camps. Craft Beads come with a smaller hole, so they will fit on a range of threading material like elastic cord, stretchy cord and jewelry wire.