Description: 【Reliable Yarn Ball Winding Tube】: Efficient and stable, demonstrating reliability and long term durability. This product is made of paper material, ensuring its robustness for prolonged use. 【Accompanying Bobbin Machine】: The paper tubes slot serves as a convenient and efficient accessory for textile machinery, enhancing work efficiency. Its size is 5cmx17.5cm, making it suitable for most bobbin machines. 【Wool Winding Tube】: Comes in a pack of 6 to meet different needs and requirements. Whether you're running a large-scale operation or a small home business, this set will cater to your needs. 【Winding Tube】: An indispensable tool in the textile industry that helps save time and cost. These tubes are designed to make your knitting process smoother and faster. 【Yarn Ball Winding Supplies】: The paper tubes slot as an accessory improves convenience and efficiency, thereby increasing productivity rate. Please note that the package includes 6 pieces of these yarn ball winding tubes. Specification: Material: Paper Size Chart: 5cmx17.5cm/1.97inchx6.89inch Package Includes: 6x Yarn Ball Winding Tubes Note: Please allow slightly errors 1-2cm differences due to manual measurement.