Pellon 973F Heavyweight Fusible Fleece is a lofty, needled fleece with fusible adhesive on one side. It is great for craft, home decorating, and quilting projects. Heavyweight Fusible Fleece will remain lofty after fusing and can be used on fabric, cardboard, or wood. For reference, it is loftier than 987F Fusible Fleece, but slightly lighter weight than TP971F Fusible Thermolam Plus. 100% Acid-Free PolyesterNon-WovenFusibleWeight: HeavySingle SidedWashing/Drying instructions: Machine wash warm, delicate cycle. Tumble dry low or dry clean.