This Birdie Bean Ezra Button-Up Shirt is the perfect addition to any Easter outfit. It's great for dressing up any day. The shirt is made of 70% bamboo, 25% cotton, and 5% spandex. It's made from bamboo viscose without any harsh chemicals. The sizing ranges from 18 - 24M and 6T. Check the size chart for more details. For washing, machine wash cold with a mild detergent (avoid Dreft), wash inside-out, fully buttoned, with like colors and other bamboo items. Skip the delicate cycle, tumble dry low, lay flat or hang to dry. There may be minimal shrinkage with heat drying. Don't bleach and use color catcher sheets to prevent color transfer. Avoid additives and brighteners.