PCP GROUP-Shape-Flex woven interfacing 22 wide 25 yards and white. A woven fusible interfacing for lightweight to midweight fabrics. 100% cotton. Interleafed with instructions. Fusibles today are fast secure and easy to use. The base fabric of a woven has a warp (lengthwide threads) and weft (crosswise threads) woven together to create stability and strength. Color: white.