Check the listing for details. PeavyTailor Combo Bobbin Clips 12Pcs (#2) + 12Pcs (#21) Bobbin Holder for Sewing. Condition: New. Listed at 9.99 USD. 【Product Point】:The #2 clips have a handle part on the bottom which allow you to stick it with other bobbins with same categories. The #21 clips are regular bobbin clamps to avoid unwinding Thread Tails in storage. 【What In the Package】: Come with 12 Pcs #2 bobbin clips and 12 Pcs #21 Bobbin Clamps (As Picture Shows). 【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 Colors】:All bobbin clips and clamps are 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.