Great quality Carter's Pajamas Set. 2 tops and 2 bottoms you can mix and match. New with tags and condition. Made with 100% cotton which is a natural fiber and will keep you warm or cool as needed. Polyester and Nylon do not breathe and will make your little ones sweat. Only elastic in waist has other fibers. Designed for little ones with no annoying tags in neck. Info just printed on inside. Pretty and soft bordered neckline. Snug fitting so chemical flame retardant not necessary.