"Mega Stoppino Fuso" from Lana Grossa is a bulky weight fiber comprised of 65% wool and 35% acrylic. Plied in tightly wrapped strands, "Fuso" in Italian means melted or molten. "Mega Stoppino Fuso" with its variegated appearance is machine washable and primarily used for scarves, sweaters, ponchos, jackets and blankets.