Class 15 Super Bobs Cotton are prewound bobbins that are wound with our strong and low-lint Master Piece 50 wt. 2-ply Egyptian extra-long staple cotton thread. Each bobbin contains 80 yds. and each pack contains 12 bobbins.

Color: Blue
Made of: Cotton
Recommended Use: Bobbin
Thread Weight: 50wt
Length: 80yds per Bobbi