OUR MOST POPULAR INTERFACING. 100% POLYESTER.Fusible Tricot Knit Interfacing/Underlining with crosswise stretch for soft shaping and tailoring. Use for light and medium weight knits and wovens, crepe de chines, jersey, wool flannels, gaberdines, linens, velours, sweatshirt fleece, synthetic skins, stretchwovens. Use for underlining and soft tailoring. 20" width. Available in White and Black. Bolt has 25 yards.