Check the listing for details. 10x Home Sewing Machine Bobbins Durable Clear PC Plastic Smooth Edge 21x21x11mm. Color: Transparent, Condition: New. Listed at 8.57 USD. A must have for home sewing lovers. Help to improve your efficiency of household sewing activity.High quality plastic transparent bobbins are for winding threads easily thus to make it more convenient when sewing with machine.Each bobbin measures ~ 21.4 x 21.4 x 11.4 mm. Flat surface (without ridges) on both top and bottom. The edge is smooth and glossy, will not break the thread.Made of anti-rust, durable, and sturdy PC plastic, these bobbins are suitable for home sewing machine of many brands and models including most Janome models, Singer models and some Brother models.10 clear plastic sewing machine bobbins per package are enough for home supply and replacement. Plastic transparent bobbins are for winding threads easily thus to make it more convenient when sewing with machine. Flat surface (without ridges) on both top and bottom, these bobbins suitable for household sewing machine of many brands and models such as most Janome models, Singer models and some Brother models.The edge is smooth and glossy, will not rust like metal ones. They are practical for home sewing lovers, help to improve your efficiency of household sewing activity. 10 pieces are enough for home supply, and good for replacement.Bobbin material: Durable PC PlasticBobbin size: ~ 21.4 x 21.4 x 11.4 mmColor: Transparent Content: 10x Clear Plastic BobbinsNote:Small parts, not suitable for children under 3 years.