Check the listing for details. PeavyTailor 48 Pcs (#21) Bobbin Holders Bobbin Clips Spool Huggers for Sewing. Condition: New. Listed at 12.99 USD. [Product Point]: These #21 spool clips are perfect for the bobbins which are brand new or slightly used. [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. [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]: 48 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. [Shipment]:Ship with USPS First-Class Mail. Arriving within 2 to 3 Business Days.