QMX Firefly Serenity Fleece Blanket Wrap yourself in Serenity! Our polar fleece blanket is made of soft, durable, pill-resistant polyester. It's a perfect layer of warmth to keep you cozy Think blanket is 50 inches wide and 60 inches long, and made from a polyester fleece Machine wash separately in cold water on gentle cycle. Do not use bleach. Tumble dry low. Remove promptly from dryer. Do not dry clean