Sulky premier invisible .004 polyester monofilament. 440yds. of very fine, flexible polyester monofilament which is on an easy to use snap spool.
Sulky Invisible Polyester Thread - Smoke - 440 yd. Spool
Sulky Rayon Variegated Thread - Aqua Teal – Riverside Fabrics
Sulky 232S-2001 Premium Invisible Thread for Sewing, 2200-Yard, Clear
SULKY Invisible Thread 402m - Clear Carded - 727072623219
Thread – Page 14 – Riverside Fabrics
Superior Threads - Vanish Lite - Lightweight Water Soluble Basting Thr – Riverside Fabrics
Sulky 232S-2001 Premium Invisible Thread for Sewing, 2200-Yard, Clear
Sulky Specialty Thread
Sulky Invisible Polyester Thread - Clear - 2,200 yd. Spool
Sulky 232S-2001 Premium Invisible Thread for Sewing, 2200-Yard, Clear
Sulky Premium Invisible Thread 440yd, Clear