Feature: Made of Cotton, soft and breathable, harmless to kids' skin. Classic and timeless design, super-chic long-sleeved shirt, make your baby more Lovely and Charming The shirt has 5 sizes, suitable for a boy from 0 to 5years wear in autumn Suitable for playing outside, birthday party, baby photography, family day or any occasion. Both machine wash and hand wash are available. Please refer to the Size Chart below for detail in product description before purchase