50wt Aurifil Thread - Variegated Blue #4655 - 1422 Yard Spool — The Mountain Thread Company (TM)
100% Cotton Sewing and Quilting Thread | Color ROYAL BLUE | For Quilting, Sewing, and Serging | Threadart Brand | 1000M Spools 50/3 Weight | 50 Colors Available - Walmart.com
Amazon.com: Gutermann Sew All Polyester Thread, 500mtr, Navy Blue (0310), 5.5 x 3 x 3 cm
Industrial Sewing Machine Thread 6000 yard, 40/2-T27 NAVY BLUE
Amazon.com: Sewing Thread 10 Color Sewing Industrial Purpose 1000 Yards Per Spool 40S/2 Polyester for DIY Sewing Machine,Embroidery Machine,Hand Sewing (Blue)