The black version of our whisper-soft fusible knit, built for dark fabrics where a white or natural interfacing would shadow through. So-Sheer Black is 100% polyester knit construction that bonds invisibly to fine fabrics, adding just enough structure to behave without ever feeling stiff.Ideal for: Sheer to lightweight knits and wovens in dark colors Black silk, chiffon, and delicate blouse fabrics T-shirt quilts featuring dark or black garments Lined bodices on evening and bridal wear Lightweight tailoring and jacket facings on dark fabrics How to fuse: Iron on wool setting with steam. Place adhesive side down on the wrong side of fabric. Press firmly 10–15 seconds, lift and repeat — do not slide. Test on a scrap first.Specifications: Fiber: 100% polyester Type: Fusible knit interfacing / underlining Weight: Featherweight to lightweight Width: 20 inches Bolt length: 30 yards Color: Black SKU: 1350-7 Also available in White (listed separately as So-Sheer Fusible Knit Interfacing — White).Sold by the bolt. Wholesale and trade pricing available — contact us for an account.