Quantity: 20 pcs per set Material: wood Size: approx, 19mm diameter Thickness: approx. 9mm Hole: approx. 5mm Color: Natural wood please feel free to contact with me for large quantity Friendly Tips: The size is measured by hands, please allow minor error of measurement. Photo color might be a little different from the actual product due to color display of different monitors 20 Pcs Unfinished Wooden Beads, Wood Abacus 19mm