Personalized Baby Sister Duck Girls Women's V-Neck T-Shirt. Baby Sister Women's V-Neck T-Shirt - Aqua has cute little yellow duck design for your new arrival. 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