Personalized 2nd Birthday Puppy Blue Youth T-Shirt. I'm two! A cute blue puppy has a birthday hat and a cupcake with a 2 shaped candle. Happy 2nd birthday to the two-year-old! 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.