4-piece set. Long sleeves. Ribbed cuffs and neckline. Covered elastic waistband for a comfy fit. Crafted in a soft cotton blend, this PJ set has your little one ready for bed in no time. Carter's cotton PJs are not flame resistant. But don't worry! They're designed with a snug and stretchy fit for safety and comfort. 60% cotton, 40% polyester rib. Imported. Machine washable. STANDARD 100 by OEKO-TEX®20.HUS.39362.