Feature:1. Made of high quality soft silicone material, it is sturdy, durable and reusable, organize threads and keep them tidy.2. Just stretch the spool saver then embrace the spool within a second, the spool does not need to be completely covered.3. The bobbin holder can be used for most sewing and embroidery spools, except large commercial or extra large spools.4. It saves time to find small gaps on the bobbin to catch the thread, prevent the thread from knotting and make bobbin neatly stored.5. When the thread is not used, the thread organizer is very helpful to prevent the bottom thread from separating.Specification:Item Type: Spools HuggersMaterial: SiliconeColor: As Picture ShownWeight: Approx. 200.0g/7.1ozFunction: Suitable for sewing machine, spool storage device.Package List:48 x Spools Huggers