Personalized Pink Superhero 2nd Birthday Women's V-Neck T-Shirt. Happy 2nd birthday! Celebrate your baby's girl's second b-day with this cute I'm 2 pink superhero design. Happy Birthday two-year-old! 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