Personalized Shih-Tzu Dad (Worlds Best) Dog Breed Baby Bodysuit. This fun worlds best shih-tzu dad Baby Bodysuit - White is a great gift idea for a shih-tzu owner or dog lover. Our unisex one piece baby bodysuit make great gift for newborns, babies, infants, baby showers and expectant moms. An ideal gift for any new parent who will want one in every color.