Superior Threads - Monopoly Reduced-Sheen Smoke 10,000 Yds. Polyester Thread Price is for 1 Cone 10,000 yards of Superior Threads MonoPoly 02 Smoke 119-02 Invisible Thread MonoPoly is made from .004mm Monofilament Polyester which is strong with low stretch while remaining soft & pliable; will not become brittle over time (nylon monofilament thread tends to go brittle), will not discolor (nylon monofilament thread tends to "yellow" over time) Use MonoPoly for invisible applique, quilting, bobbins and apparel or where ever reduced-sheen invisible thread is required Home Machines: Topstitch #70/10.; set top tension to 2.0 Longarm Machine : #18 (MR 4.0); loosen top and bobbin tension