Personalized 5th Birthday Dragon Youth T-Shirt. I'm 5. A cute dragon puffs pink smoke to let the world know it's 5th birthday is here! Great gift for the five 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.