Check the listing for details. PeavyTailor 12Pcs Clips Bobbin Holder Spool Huggers for Sewing Machines .. Condition: New. Listed at 6.99 USD. 【What Is This】: PeavyTailor bobbin holders are designed to avoid thread twined. These spool clips are organizers that keep your sewing room neat, nice and clean. 【How to Use】: Use your fingers to open the bobbin clips and hold it until you clamp the thread tail. The bobbin huggers will tighten the thread and will not let it tangle even if you drop it. 【What Material】: These thread bobbin holders are made from High-strength plastic which is durable to last for many years. These sewing clamps fit most domestic embroidery and sewing thread spools. 【What In the Packages】: 12 pcs of bobbin clamps with 4 colors evenly mixed：Pink, Green, Purple and Sky Blue. Those thread spools clips did a great job to avoid mess of unwinding Thread Tails when they are in storage. 【Patent Protected】:PeavyTailor Bobbin Storage clamps thread huggers are patented product. We promise the product quality and will punish all piracy.