Made of 100% Cotton Poplin. A sophisticated floral bouquet pajama set… but without the pesky thorns! Classic pajama set includes a cotton poplin eyemask… perfect for naptime or airplane travel! Longsleeve button down shirt and elastic waistband/drawstring pants both feature an allover print of various whimsical flowers! NOT pre-shrunk. Machine wash cold. Tumble dry low. No bleach. Will shrink when washed. Sizes run as follows: XS (4), Sml (6-8), Med (10), Lrg (12-14), XL (16).