Fosshape® is a versatile heat-activated fabric used in millinery, costume design, cosplay, theatre, fashion, prop making, and a wide range of creative applications. Lightweight and easy to shape, it becomes rigid when heated, making it ideal for creating durable three-dimensional forms. This sample pack includes all three Fosshape grades - 300, 400, and 600 - allowing you to compare their weights, stiffness and performance to find the best option for your project. Quality You Can Trust We carefully source genuine Fosshape® to ensure consistent quality and reliable performance across every grade. Whether you're crafting hats, costumes, sculptural pieces or prototypes, our sample card makes it easy to explore the possibilities before committing to a larger purchase. If you need any advice on selecting the right Fosshape® for your project, we're always happy to help—just get in touch!