Pre-wound bobbin thread without paper sides (sideless) - polyester 420D/1,  "M" style fits most longarm and mid-arm quilting machines - Gammill, Handi Quilter, Innova, Nolting, Tin Lizzie etc.and any other multi-needle  embroidery machines with jumbo bobbins like Tajima, Melco, Ricoma, Tang etc.  White colour.  12 pcs per pack.

Each bobbin thread about 123.5m long.