Made of 100% Cotton. Cute, comfy, and loose A-line swing racerback chemise is great as pajamas or loungewear! Allover print of Hello Kitty and hearts. Details include three heart buttons down the front in contrasting color. Turn inside out. Machine wash cold. Wash separately or with like colors. Gentle Cycle. Only non-chlorine bleach when needed. Tumble dry low. Remove promptly. Warm iron on reverse side if needed. Sizes run as follows: Small (3-5), Medium (7), Large (9) and X-Large (11-13). This is the teen/adult line - the sizes run small, but this is not the kids line.