Thank you for viewing! \\Many items for sale, including miscellaneous goods and furniture// #panshop ✁┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈┈ Size - Thread diameter: 0.1mm; Bobbin size: 20mm x 11mm (OD*H), Hole diameter: 6mm. Material - The bobbins are made of plastic, durable and practical. The bobbins are smooth and won't snag the thread. The thread is made of polyester, which is strong, soft, and resistant to breakage, with a good feel. Features - Transparent resin allows you to see at a glance when the bobbin thread is running low. They are packaged in a clear plastic box for easy collection and sorting of bobbins. Uses - The sewing machine bobbins are standard size and can be used in most household sewing machines. Package Contents - 10 sewing thread bobbins, 2 storage plastic cases.