Personalized Mermaid 1st Birthday 1 Year Old Women's V-Neck T-Shirt. Cute babys first birthday Women's V-Neck T-Shirt - Aqua that says this mermaid is one 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