This officially licensed Superman nap mat can be used for school or home, and rolls up for easy storage and travel. Â The blanket is lined with cotton flannel for extreme comfort. A favorite with preschools, daycares, and as a starter sleeping bag for little ones.Â One-year manufacturer's warranty against defects - normal wear-and-tear, and misuse excluded. Rigorously tested to ensure that all parts are lead-safe, bpa-free, phthalate-free, and conform to all rules and regulations set forth by the Consumer Products Machine washable; front loader only, gentle cycle, cold water. Remove pillow before washing.