Made of Highly Soft Cotton and Acrylic Fibers. Cozy Knitting Blanket,ultimate Softness,durable & Lightweight. Two Size: 66.3 x 33.1 inchs (L x W) and 76.1x 35.1 (L x W), fit for kids and adults. Please Note: The back and the bottom of the mermaid blanket are open, Not closed,so you can walk around the house in it. Great to wrap in the bed,on the sofa, couch, bedroom, living room or car for reading, watching TV or nap sleep. If anyone has leg pains are just want something to cover your legs, this also would be a great choice. This sleeping blanket suit for all seasons,keeps you and your kids warm,wiggle your feet and legs into the blanket and keep warm in winter, spring and autumn; in summer, it also can keep warm in air conditioning house.