Super Strong:  Heavy-weight, soft, non-woven permanent stability for dense designs.  Even when embroidering numerous small designs, crinkling and the displacement of the work is prevented.  Available in black or white Super Stable:  Iron-on non-woven ideal for thick stretchy fabrics. Super Film:  Special heat dissolvable clear plastic like film which disintegrates with a hot dry iron.  Ideal for emblems and logos.