Class 15 Bobbins — Plastic

Seamless stitching for professional results: Designed for smooth thread delivery and consistent tension, these Class 15 bobbins help achieve perfect seams. Ideal for Janome users, quilters, hobbyists, and dressmakers.

Versatile compatibility: Fits a wide range of sewing machines, including Kenmore, Brother, and Elna. Sewphee bobbins match original Class 15 Janome bobbin size: outer diameter 20.3mm, inner diameter 6.1mm, height 11.5mm (7/16 inch). Review the machine compatibility list in product details to confirm fit.

Durable and jam-free performance: High-quality clear plastic helps reduce friction, minimize thread jams, and keep your machine running smoothly on every project.

Transparent design for easy thread monitoring: See thread levels at a glance to prevent unexpected shortages and support uninterrupted sewing and embroidery.

Enhanced sewing efficiency: High-capacity design reduces bobbin changes for longer sewing sessions. A must-have for quilting supplies and accessories.

Confirm your machine uses Class 15 bobbins (20.3mm outer diameter, 6.1mm inner diameter, 11.5mm height) before purchase.

Wind thread evenly onto the bobbin, insert it into your machine as directed in your manual, and sew as usual.

Use transparent bobbins to monitor remaining thread and keep different colors ready. Store spare bobbins in a clean, dry place.