Personalized Pink Mermaid 1st Birthday Women's V-Neck T-Shirt. A cute mermaid with pink hair and tail celebrates your little one year old's first birthday with her little fish friend. Adorable 1st 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