From the web site:
Comfort is an ultra-soft blend of Super Fine Acrylic and Super Fine Nylon and spun into a luxury twist. The yarn is easy care – machine wash and dry – and allergy free. Affordably priced, Comfort is available in an exquisite range of 50 solids and 7 print shades.
Machine wash on gentle cycle in warm water. No bleach. Tumble dry on low heat. Do not over dry. Do not iron.