Personalized Stays In The Dog Park Youth T-Shirt. Funny Youth T-Shirt - White for dog lovers says WHAT HAPPENS IN THE DOG PARK STAYS IN THE DOG PARK with cute dog silhouette. 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.