Personalized First Birthday Unicorn Outfit for Girl Women's V-Neck T-Shirt. Cute unicorn with flowers and I'm one quote for baby's first birthday comes on a Women's V-Neck T-Shirt - White. 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