Bosal's In-R-Form Plus is a double-sided fusible stabilizer made of foam. This foam stabilizer is laminated to a napped tricot. It is soft and formable, making it easy to stitch. This Fusible Foam Stabilizer is made specifically for use with the Happy Hauler Bag Pattern, AT640. Pattern is not included. The package includes one pre-cut sheet measuring 54in by 58in.