Made of 100% Cotton. Tee includes V-Neck and printed application. Pant has elastic waist band with draw string, faux fly and overall print. 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 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.