Pellon® Fusible Featherweight is a fusible, nonwoven interfacing for light to midweight fabrics. It is best for use with wovens and knits such as challis, chambray, jersey, broadcloth, and linen. Fusing is not recommended for triacetate, lace, seersucker, or rainwear. Sewing machine safe. Machine wash warm. Tumble dry low or dry clean.