Bobbin Size Style A /Class 15 / SA-156 Pre-wound Bobbin Thread Embroidery Machine Bobbin Thread, 60WT polyester filament threads, Proper strength as bobbin threads 26-Pack with bobbin saver /Holder, popular Brother colors available Suitable for All the Janome Machines and most Brother home embroidery machine, Kemore, and some machines of Quantum Futura, Singer etc Available in 90+ countries - Since 1990, we have been supplying polyester embroidery thread to more than 90 countries. Customers love them and want to buy more when they run out of their favorite colors. Please send us a message when you need more in the future. We are happy to help In compatible with many Sewing embroidery machines