Crafted in plush fleece with a cotton top, this 2-piece Carter's® PJ set is extra cozy! This matched set keeps bedtime dressing easy. The polyester is flame resistant, but is it chemically treated? No way! These cotton PJs are not flame resistant, but don't worry! They're designed with a snug and stretchy fit for safety and comfort. 2-piece set Top: pullover, long sleeves, crew neck Bottoms: elastic waistband Imported Material & Care Cotton, polyester Machine washable