Personalized I'm 4 Dinosaur Women's V-Neck T-Shirt. I'm 4! A grinning dinosaur wearing a birthday hat rips through the background to wish your little one a happy birthday! Great gift for your four 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