Bosal In R Form Foam Stabilizers are a unique foam stabilizer batting, laminated onto foam, ideal for bag making. It's soft, formable, easy-to-stitch, and needle friendly. This product gives stability and shape to your bags so they'll stand up instead of slouching down over time. Fusible Uptown Bag 54 in. x 58 in. - Brushed polyester and napped tricot laminated to foam with a fusible surface on both sides. Can be washed, tumble dried with no heat, or air dried.