| Brand | Unbranded |
|---|---|
| Type | Bobbin |
| Bobbin Material | Polyester |
| Model | SBSL-145Y-WT |
| Thread Type | Polyester |
| Bobbin Size | Style L |
| UPC | 786368299743 |
Check the listing for details. Prewound Bobbins Thread for embroidery, Size L, 144pcs, Sideless, 145 Yards. Condition: New. Listed at 19.99 USD. Sideless : This type has a binder to keep the thread from unwinding from the core. Types of pre-wound bobbins. Benefits of pre-wound bobbins. Consistent thread tension : Factory-wound bobbins are wound with high precision, which leads to more uniform tension and better stitch quality.