ABOUT Thick knit cotton relaxed bodysuit perfect to mix and match with all of our knit, ribbed and muslin essentials. Featured big button in the back. *We recommend sizing up to make it relaxed style. Recommendation: 1/2Y child: recommend buying 3/4Y or 5/6Y 3/4 child: recommend buying 5/6Y or 7/8Y 5/6 child: recommend buying 7/8Y MATERIAL 100% Thick Knit Cotton CARE: You should wash your knit cotton clothing in gentle machine wash or hand wash with cold water to retain the size, shape and colors. Also by using cold water you are saving energy and money. We like to be kind to our planet.