Personalized 3rd Birthday Giraffe Youth T-Shirt. Happy birthday! A cute stuffed giraffe leans against a polka dot 3. Adorable gift for the three 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.