Made of 100% Cotton. You'll dream of escaping to the seaside when you wear these stretchy, comfy, classic PJs! Button down v-neck shirt is trimmed with lettuce-edge detailing along neck, down front, and at sleeves; crocheted lace at wrists. Pants have an elastic waistband. Both pants and shirt feature an allover print. Machine wash cold with like colors. Gentle cycle only. Non-chlorine bleach when needed. Tumble dry low. Remove promptly. Low iron if needed. Sizes run as follows: XS (2-4), Sml (4-6), Med (6-8), Lrg (10-12).