Matching Outfits and Dresses for Mother, Child and Doll. Coordinating Apparel for Siblings: brother-sister, sister-sister and mom. Matching Girl and Doll Clothing to fit 18” dolls (like American Girl, Our Generation, Magic Attic) also 15” baby doll outfits (to fit Bitty Baby type dolls) and 23” doll clothing (to fit My Twinn type dolls).