Personalized Happy Halloween Black Cat Youth T-Shirt. Happy Halloween! A cute little black cat wearing a purple witch hat sits next to two pumpkin jack o'lanterns and an adorable bat. Great gift for your little monster on Halloween! 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.