Girl's Fox and Friends Printed PJ Set, Polyester Jersey Knit, S-XL Cotton and Polyester Blend Machine Washable Fabric: soft Cotton and Polyester Blend Unit Weight: 1.0 lbs/set (approx.) Pajama: long sleeve henley and tight fitting pants Available in sizes S (4-6), M (8-10), L (12), XL (14) This product complies with the Children's Sleepwear Standard under the Flammable Fabrics Act