Brand： Sew Mate
Item No.： BB-25-PB(BLACK)
● So easy, so convenient! ● Material of thread : Polyester 40/2. ● Durable and high quality polyester thread. ● Prewound Bobbins : 2518P(B) x 25pcs ● Compatible with Singer Class15 / Brother SA156 / A-Style bobbins.