Personalized Monkey Future Big Sister Women's Plus Size T-Shirt. Future big sister Women's Plus Size T-Shirt - White with adorable little girl monkey ballerina in a pink tutu and ballet slippers holding a bouquet of flowers says I'M GOING TO BE A BIG SISTER. 100% combed ringspun cotton premium jersey (CVC Colors are 60/40 combed ringspun cotton/polyester)