Description: The edge of the transparent sewing machine bobbin is smooth and shiny, and the thread is not easy to break when wound. The clear window can find exactly the desired bobbin and bobbins, very convenient. Double lock design, highly waterproof with excellent sealing ability. The bobbin holder has two sizes which are suitable for different sizes of sewing bobbins. The sewing thread box with a fixed lock provides enough space for 42 overlock cones, which prevents bobbins from knotting. Properties: Material: PP Color: transparent Size: 23.7 x 13.7 x 6.6cm Package includes: 1 empty wire storage box (box only) Note: The data are all manually measured, please allow error of 1-3cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.