Create irresistibly soft knitwear with snuggly 4 ply yarn these exquisite balls by sirdar come in a range of colours perfect for creating cardigans scarves and much more the balls are 4 ply which means they have 4 ends per yarn this means they will be durable without limiting movementthese balls are made from 55 percent nylon and 45 percent acrylic which makes them extremely soft to touch the yarn can be machine washed in water up to 40 degrees celsius and will stay soft wash after wash