Gemstone Rondelle And Tube Bead Mix 8mm/15.5 Inch Strand (56 Beads) Color: Multi-Colored Materials: Assorted Gemstone, Glass Measurements: Rondelle Beads are 8mm in diameter, 4-5mm thick. Tube Beads are 11mm long, 8mm thick. Strand is 15.5 inches in length. Quantity: 1 Strand Shape: Rondelle,Tube