Personalized Dinosaur 1st Birthday T-Rex Women's V-Neck T-Shirt. Grinning green dinosaur is celebrating his first birthday! Cute birthday present for the one 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