Our GOTS (Global Organic Textile Standard) Certificate guarantees that our Organic Baby Clothes are made from 100% organic cotton, sustainable, responsible and biological materials for your baby's sensitive skin and their future. There is no formaldehyde, azo, allergen, carcinogen in the dyestuff used in printing. The zippers, snaps or metal parts found in the products are "nickel" free Fabric Features: 100% Organic Cotton GOTS (CU 847565) Washing Instructions: * Wash it upside down. * Wash at 30 degrees. * Do not use bleach. * Do not dry in the dryer. * Iron with a warm iron