Set includes - 2 T-shirt and 2 pajamas Short sleeves Ribbed cuffs and neckline Covered elastic waistband for a comfy fit Cotton pajamas are not flame resistant, to help keep children safe, cotton pajamas should always fit snugly Cotton/polyester Machine washable Imported Crafted in soft cotton, this pajama set has your little one ready for bed in no time. Carter's cotton pajama are not flame resistant, but don't worry. They're designed with a snug and stretchy fit for safety and comfort.