Personalized Panda Bear Childs 3rd Birthday Youth T-Shirt. Panda 3rd Birthday Youth T-Shirt - Black has funny fat panda bear with number three 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.