Our finest thread line, InvisaFil™, is a remarkable silk-like 100wt, 2-ply cottonized polyester. This ultra-fine but surprisingly strong thread has cotton-like characteristics and negligible stretch while also feeling soft in the hand. InvisaFil makes for super low bulk stitches and virtually “Disappear”.

Wonderfil Invisafill is the ideal choice for: stitch in the ditch, top and bottom thread, bottom thread for delicate machine embroidery, hand and machine applique, free motion quilting, stippling, english paper piecing or whenever you don’t want your stitching to show.

Our fine thread is surprisingly strong in addition to being cotton-like with negligible stretch. Enjoy the soft feel of this silk-like thread for stitches that are hardly noticeable. Available in a wide variety of colors, from subtle to bright with matte finish.