Sirdar Baby Bonus DK is an incredibly popular 100% acrylic double knit yarn. Despite its budget price, Bonus DK is one of the best acrylic yarns available and is softer and less scratchy than most. It is machine washable. Baby Bonus DK is ideal for knitting and crochet projects. With a standard DK tension Baby Bonus DK can be used across all Sirdar and Hayfield DK patterns. The 100g balls make this yarn ideal for blankets and other larger projects.