Which Dress for Jess?. Which Dress for Jesscontains: A book, a cute dress up doll and three outfits. The 20 x 16 cm board book is a story is of a young rabbit named Jess, who is trying to decide what she would like to be when she grows up. A Nurse, Ballerina or Princess. The set includes a cute plush Dress Up Jess doll (Approx 24cm high) and three separate nurse, ballerina and princess outfits for her to try on, while following the story.