Carter's Baby Girls 2-piece Dress & Diaper Cover (12 Months, Coral Sateen) Blue/White Dress:100% cotton poplin Blue Floral Dress: Dress: 100% cotton lawn, diaper cover: 100% cotton poplin Machine washable Coral Dress: Dress: 62% cotton, 38% rayon; lining: 100% polyester; diaper cover: 100% cotton poplin