This generously sized toasty warm Harry Potter blanket features the phrases that open and close the Marauder's Map: I Solemnly Swear that I am Up to No Good. . . Mischief Managed! With a design on each side, this soft fleece blanket is perfect for the couch, car, or an outdoor activity when you need to stay warm. It's machine washable and the printing won't run or distress. The cozy blanket measures approximately 50 X 60. Fabric is 100% polyester fleece.