StayPerfect Fuse So Soft Stabilizer - Fusible Iron On. Fuse So Soft is a light weight tricot with a permanent fusible coating on one side. Fuse to silk, satin and other delicate fabrics to add body while keeping the softness. Apply as a covering for completed embroidery for a soft feel against the skin. ... - StayPerfect Fuse So Soft Stabilizer - Fusible Iron On. |