Personalized Mermaid 2nd Birthday 2 Year Old Youth T-Shirt. Cute 2nd birthday Youth T-Shirt - White that says this mermaid is two with a colorful mermaid tail and starfish Let the good times roll in a durable T-Shirt that takes kids from school to play in an amazing array of colors. 5.0 oz., pre-shrunk 100% cotton. Seamless 1x1 rib collar.