100% Cotton,The fabric of this girls’ casual sweet t-shirt dress is very soft and comfortable Crewneck long sleeve cotton dresses almost fit for all season. Soft fabric,comfortable to wear.Durable stiching,fit for active girls. Girl’s beautiful and adorable dress.Perfect for gift giving in Holidays of Easter,Christmas,Birthday,Halloween and any other special festival. SIZE:Please select size according to the detailed size chart in left picture.Hand wash suggested in the first time,the dress will not fade and a little shrink after your washing