Personalized Panda 4th Birthday Youth T-Shirt. Help your child celebrate their birthday in a special way. Panda 4th Birthday Youth T-Shirt - White, features a cute, fluffy panda bear with number four on its tummy. 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.