Personalized Happiness Youth T-Shirt. Happiness is a cup of cats. Pink polka dot cup overflowing with cute hand drawn cats and kittens. If coffee, tea, or kitties all give you a warm and fuzzy feeling, then this is for you! 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.