MonoPoly is a 90/1 reduced-sheen very fine polyester monofilament invisible thread. Great for invisible thread applications. MonoPoly is suitable for all domestic machines as an upper or bobbin thread. MonoPoly is .004" (.1mm) in diameter (90 denier) = Very fine thread.
Available in Small spools of 2000m (220yds) and larger 9230m (1094yds). We recommend size 80/12 or 90/14 machine needles, usually Quilting or Universal.