Practical Tool: These plastic bobbins are designed with functionality in mind. Their conical shape and smooth surface make them easy to handle, ensuring a hassle free experience when winding threads or storing small items, living up to their practical natureQuantity and Size: This package includes 20pcs plastic bobbins. Each bobbin is about 17.1cm (6.7'') long and 4.9cm (1.9'') in diameter, with an inner diameter of 21.5x31cm (8.4x12.2''), providing ample supply for your sewing or crafting needsEasy to Use: Made of plastic, these bobbins are lightweight yet durable. They are easy to use, simply wind your threads around them, and their sturdy construction keeps the threads in place without tangling, saving you time and effort during your projectsThoughtful Gift: These plastic bobbins make a great gift for sewing enthusiasts, DIY crafters, or anyone who loves working with threads. Whether for a birthday, holiday, or just to show appreciation, they are a practical and useful present that crafters will appreciateVersatile Applications: Ideal for sewing machines, used to wind various threads like sewing thread, embroidery thread, or quilting thread. They can also be used for organizing and storing small cords, ribbons, or beads in craft rooms. Also suitable for thread winding or small item storage is neededColor: As ShownMaterial: plasticPackage Contents:20*pcs plastic bobbinsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.