This is a premium bobbin. Really well made and very smooth

It is not 100% COTTON, these sewing threads are made of high-quality durable Mixed cotton, it will not be fraying and breaking easily, and the plastic reel also is not easy to deformation. This high-quality thread help you sewing efficiently. Bobbin's size A, class 15, works well with a variety of sewing machines which with automatic winding function like for Brother, Babylock, Janome, Kenmore, Singer etc. But not suitable for the Singer Futura Embroidery machines.

32-Piece in 21-Color Bright Cotton Sewing Bobbbins and Spool Threads

CLASS 15 THREAD BOBBINS: Features 12 prewound 108-yard bobbins of Sew Great #60 weight 100% polyester thread FINE THREAD: Due to its fine nature, Sew

Sew Great Sewing Machine Prewound Bobbin 60 Weight Polyester Thread 12-Pack #480 Missoula Purple

Mandala Crafts Pre-Wound Sewing Thread Bobbin Set for Singer Kenmore B – MudraCrafts

Fly Fishing Dry Fly|Enhance your fly fishing experience with the Wifreo Alloy/Bi-ceramic Tip Fly Tying Bobbins Holder. This lightweight, 4.3g/6g tool

Wifreo 1pc Alloy/Bi-ceramic Tip Fly Tying Bobbins Holder Smooth Tying Fishing Flies Lure Baits Making Fly Tying Tools

What to know about using prewound bobbins with lightweight thread

Premium Elephant Bobbins set of 12 Thread Holders Floss Organiser Cross Stitch Embroidery Thread Storage

Mandala Crafts Prewound Bobbin Thread – Prewound Bobbins for Embroider – MudraCrafts

1. REUSABLE METAL BOBBINS: 36PCS metal bobbins are polished so that the smooth surface and edges will not catch the threads. You can twine these metal

36Pcs Metal Bobbins with Bobbin Case, Sewing Machine Bobbins for Craft Sewing, BetyBedy Metal Bobbins Set for

Premium Elephant Bobbins set of 12 Thread Holders Floss Organiser Cross Stitch Embroidery Thread Storage

Bobbin Thread 101: Answers to Your Frequently Asked Questions

Premium Elephant Bobbins set of 12 Thread Holders Floss Organiser Cross Stitch Embroidery Thread Storage

Sulky® Bobbin Thread 1500 Yards