The My Sistie Outfit Unicorn Onesie is a soft and cuddly doll outfit for 18-inch dolls. Each My Sistie outfit set was developed for little hands in mind and makes dressing My Sistie a snap. This outfit is soft with easy-open backs and slip-on shoes. The My Sistie doll is the same size as the Springfield Collection doll making outfits interchangeable between dolls. This pajama onesie transforms your doll into an adorable unicorn. Complete with pink mane and gold horn, this onesie is truly magical.