Personalized It's My 3rd Birthday with The Whatif Monster Women's V-Neck T-Shirt. There's no day like your birthday, so why not try something new? It's My 3rd Birthday with The Whatif Monster Women's V-Neck T-Shirt - White, perfect for little fans of "Jonathan James and the Whatif Monster" by Michelle Nelson-Schmidt. 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