Pellon 905 Sew-In Sheer Weight Fabric Interfacing 20 x 30 Yards by the Bolt. It is an ultra lightweight nonwoven sew-in (non-fusible) backing. Great for use with sheer to lightweight fabrics in all types of projects. It is great for blouses dresses quilting and all sheer garments. Sewing machine friendly and will not gum needle during stitching. Care Instructions: Machine wash warm. Tumble dry low or dry clean. Color: White. Fiber Content: Acid-Free 100% Polyester.