Sirdar Hayfield Bonus Aran with Wool is Sirdar's classic aran yarn and is made using a beautifully soft blend of 20% wool and 80% acrylic. Bonus Aran with Wool comes in handy 400g balls, which are fantastic value for money, and are perfect for knitting all those classic aran sweaters, cardies and accessories for all your family and friends. There are fabulously vibrant, fashion shades and classic aran colours and, as with all Sirdar aran weight yarns, it knits to all Sirdar and Hayfield aran pattern designs. Bonus Aran with Wool is machine washable and easy to care for and incredibly satisfying to knit.