These are the core rods that kimono fabric is rolled around. Length: Approximately 40cm, 4 pieces Approximately 39cm, 13 pieces Approximately 38.5cm, 2 pieces Approximately 38cm, 24 pieces Approximately 37cm, 1 piece Total: 44 pieces Diameter: Approximately 2.5cm Perfect for crafts! You can cut them to your desired length with a cutter. If you want to specify the number of pieces, please comment.