Katia X-treme is a XXL wool for its soft and pleasant fabric, with quilted look, it is perfect for blankets, quilts, cushions, bags, etc.It is composed of: 70% polyamide and 30% cotton.Each ball contains 200 grams and 24 meters.Working with 25 mm needles.A bag to work you need 2 balls, for a cushion 3 and a blanket for about 10 balls.