Chaps White Multicolor Striped Taffeta Spring Dress for Baby Girls - 9 Months Shell: 100% polyester. Lining: 100% polyester. Trim: 100% nylon. Perfect for your spring time events Button opening on the back Features a striped theme throughout and a pink waist strap Shell: 100% polyester. Lining: 100% polyester. Trim: 100% nylon Size 9 month: weight 16 to 20 lbs