Amazon.com: CiaraQ Sewing Threads Kits, 30 Colors Polyester 250 Yards Per Spools for Hand Sewing & Embroidery : Everything Else
Amazon.com: Sewing Thread - 24 Polyester Threads for Hand Stitching, Quilting & Sewing Machine - Set of 1000 yds Per Spool - 20 Colors Plus 2 x White & 2 x Black : Everything Else
Sewing Thread Part I: How Is Thread Made? - Suzy Quilts