Three pieces basic nursing tops are made of 93 Rayon and 7 Spandex EVERY MOMS SHOULD HAVE THEM IN THEIR NURSING WARDROBE Stretchy modal fabric for comfortable fitSize fits for Bust S3436 M3739L395415XL4244XXL4547 Featuring simple lift up nursing access at the frontdouble layer for easier nursing Short sleeve designeasy to dress up with maternity jean or legging and sandals for summerDesigned to fit postpartum nursing women Washing CareMachine Wash ColdTumble Dry with Low HeatDo Not BleachIron on Low Heat