Features: The flannel top is 220 GSM, made of 100% microfiber polyester. The Sherpa reverse is 280 GSM, making it soft and cozy, yet lightweight. The face and reverse are bound together with decorative knit-trim edging for a luxurious look and feel. Machine wash cold, tumble dry on low heat. Avoid direct heat. Do not use bleach. Made with shrink-resistant fabric.