Personalized Dinosaur Party 3rd Birthday 3 Year Old Women's V-Neck T-Shirt. This cute third birthday design has a colorful dinosaur with I'm three birthday quote. 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