Personalized Stick Girl Future Big Sister Women's V-Neck T-Shirt. Future big sister Women's V-Neck T-Shirt - White with a cute cartoon stick girl waving her arms and big pink heart. She says I'M GOING TO BE A BIG SISTER. 5.0 oz., 100% pre-shrunk cotton Athletic Heather is 90/10 cotton/polyester 1x1 rib collar with mitered v-neck Shoulder-to-shoulder taping Ladies' fit