Black Soft Sheer Cutaway (1.3 oz) Backing Squares., pre-cut, 250 pack. Soft, sheer, stable, nylon-reinforced cutaway backing. Specifically-designed for left chest applications, eliminating the backing from showing through the garment. Ideal for lightweight, dark-colored fabrics - keeps outlines on track when hooped in with your knit fabric. Can be used with a medium weight tearaway for added stability.