"Baby Bonus Lustre DK" manufactured by Sirdar is composed of 89% acrylic wrapped by a single strand of 11% rayon. This fiber has a subtle sheen, along with softness and nice drape plus it may be machine washed and tumbled dry on a cool setting. A versatile yarn available in pastel shades, "Baby Bonus Lustre DK" works well for easy-care sweaters, cardis, tops, vests and wraps.