Estelly Grateful Dead Baby Powder Organic Long Sleeve One Piece The long sleeve one piece material is 100% organic cotton Snaps run from collar to ankle and at the crotch to allow quick diaper changes. This snuggly one-piece ensemble design makes dressing fast The special thick fabrics have a density of 200g/sqm to keep babies warm and dry. It's suitable temperate for washing is 50 degree.