#623 Silver Super Bobs Poly - M-style Pre-Wound Bobbins 240 yards per bobbin 12 pieces per tube - by Superior Threads

SuperBOBs prewound bobbins are wound with a 60 wt. 2-ply polyester thread (our Bottom Line thread) and are fantastic for quilting on your longarm machine. Lint free and lightweight, you'll love the convenience and quality of SuperBOBs prewound bobbins. They are designed for applique, bobbin thread, and quilting

This tube includes (12) #623 Silver M-style SuperBob Bobbins. 12 bobbins x 215 yds. each. 

Manufactured by Superior Threads.