Shape Flex is Pellon’s high-quality woven fusible interfacing designed for lightweight to medium fabrics. It adds crisp body without stiffness, making it perfect for shirts, bags, and structured garments. If you're wondering what Shape Flex is, you can find full product info and order online directly from trusted USA-based stores. Learn how to use it and explore design ideas while shopping local. Ideal for both beginners and professionals seeking dependable support.