Personalized Pink Mermaid 3rd Birthday Women's V-Neck T-Shirt. A cute mermaid with pink hair and tail celebrates your little three year old's third birthday with her little fish friend. Adorable 3rd birthday gift. 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