Officially Licensed Sesame Workshop Merchandise SIZING: All sizing follows standard regulations set by the National Retail Federation for infant and toddler (12M, 18M, 24M, 2T, 3T, 4T), as well as big kids (4, 6, 8, 10, 12) EASY CARE: This product is crafted from high quality fabrics, making it easy to care for and bedtime routines a breeze. To keep laundry headaches to a minimum and ensure items hold up after repeat washing, please use detergent and tumble dry low. SAFETY AND COMFORT: Made from soft and comfortable fabrics to ensure a cozy night’s sleep! This item is 100% Cotton. In accordance with safety regulations this item is tight fitting, it is NOT flame resistant.