Personalized Teddy Bear 3rd Birthday Youth T-Shirt. IT'S MY 3RD BIRTHDAY teddy bear wearing a striped party hat with polka dot background, birthday gifts and balloon with the number three Youth T-Shirt - Kelly Green. 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.