Made of 100% Cotton. Fun little "scrubs" for your little one! Make house call on Halloween... wear scrubs to pick up the new baby sister or brother at the hospital... or dress to match mommy or daddy the doctor! Machine wash cold with like colors. Only non-chlorine bleach if needed. Tumle dry low. Low iron if needed. Sizes run as follows: 0-6 mos (pant length: 15.25"; shirt length: 12"); 6-12 mos (pant length: 16.25"; shirt length:12.5"); 12-18 mos (pant length: 17.25"; shirt length:13").